Statistical regions; district


Time series: Labour_1.1.1.2_EN.xls

EMPLOYEES UNDER LABOUR CONTRACT AT THE END OF THE MONTH BY STATISTICAL REGIONS AND DISTRICTS IN 2020*
(Numbers)
Statistical regions Months
I II III IV V VI VII VIII IX
North-West region 168 623 168 267 165 797 163 988 163 581 165 004 165 637 165 565 166 931
 -Vidin 15 714 15 618 15 258 15 323 15 039 15 076 15 158 15 308 15 613
 -Vratsa 36 120 35 938 35 672 35 442 35 284 35 459 35 923 35 704 35 816
 -Lovech 31 188 31 133 30 493 29 810 29 650 29 864 29 963 30 198 30 372
 -Montana 27 918 27 839 27 442 27 063 27 178 27 361 27 393 27 372 27 618
 -Pleven 57 683 57 739 56 932 56 350 56 430 57 244 57 200 56 983 57 512
North Central region 218 336 217 948 213 840 210 263 209 992 211 974 213 838 213 694 213 459
 -Veliko Tarnovo 66 495 66 330 65 047 63 883 63 891 64 541 64 937 64 932 65 001
 -Gabrovo 39 473 39 447 38 589 38 119 37 957 38 125 38 823 38 644 38 737
 -Razgrad 25 474 25 396 25 009 25 054 25 175 25 204 25 164 25 262 24 985
 -Ruse 66 615 66 445 64 938 63 115 62 707 63 701 64 124 63 854 63 834
 -Silistra 20 279 20 330 20 257 20 092 20 262 20 403 20 790 21 002 20 902
North-East region 257 346 258 093 251 554 246 162 246 052 253 472 258 464 258 228 253 658
 -Varna 150 767 151 023 146 496 142 719 141 667 145 447 147 871 147 631 145 947
 -Dobrich 36 012 36 429 35 425 34 408 34 871 37 687 39 880 39 078 36 140
 -Targovishte 26 021 26 002 25 751 25 511 25 670 26 001 25 753 25 770 25 787
 -Shumen 44 546 44 639 43 882 43 524 43 844 44 337 44 960 45 749 45 784
South-East region 278 865 278 746 271 747 266 754 267 394 274 687 281 004 280 661 274 174
 -Burgas 110 653 110 503 107 022 105 549 105 909 111 899 118 681 118 721 111 127
 -Sliven 38 632 38 590 37 953 36 949 37 043 37 559 37 794 37 682 37 666
 -Stara Zagora 101 461 101 393 98 977 96 677 96 893 97 546 97 262 97 025 97 719
 -Yambol 28 119 28 260 27 795 27 579 27 549 27 683 27 267 27 233 27 662
South-West region 987 722 987 944 969 664 951 303 945 918 951 510 953 311 952 155 955 024
 -Blagoevgrad 87 625 87 536 82 857 79 046 79 093 80 212 80 704 80 771 81 184
 -Kyustendil 27 973 27 861 27 128 26 332 25 867 26 635 26 290 26 240 26 496
 -Pernik 27 829 27 909 27 793 27 519 27 736 28 107 27 967 27 756 27 998
 -Sofia 59 353 59 270 57 402 55 803 55 317 55 113 55 824 55 648 56 029
 -Sofia cap. 784 942 785 368 774 484 762 603 757 905 761 443 762 526 761 740 763 317
South Central region 399 072 399 658 390 867 379 634 379 736 383 263 385 426 385 418 385 864
 -Kardzhali 30 138 30 084 29 558 29 344 29 304 29 481 29 099 29 065 29 181
 -Pazardzhik 60 909 61 173 59 912 58 550 57 909 58 259 58 365 57 877 57 861
 -Plovdiv 223 655 224 081 220 250 213 422 212 865 214 636 216 002 216 394 216 659
 -Smolyan 31 641 31 632 30 286 29 727 29 957 30 436 30 961 31 215 31 287
 -Haskovo 52 729 52 688 50 861 48 591 49 701 50 451 50 999 50 867 50 876

*Preliminary data
12.11.2020


Euro-SDMX Metadata Structure (ESMS)

Short term statistics on employment and labour costs - Employees under labour contract, Average monthly wages and salaries, Job vacancies, Job vacancy rate, quarterly labour cost index
Contact
Contact organisation

National Statistical Institute

Contact organisation unit

"Labour Statistics" Department

Contact name

Todor Davidkov

Contact person function

Head of department

Contact mail address

2, P. Volov Str.; 1038 Sofia, Bulgaria

Contact email address

[email protected]

Contact phone number

+359 2 9857 568

Contact fax number
Metadata update
Metadata last certified08 August 2014
Metadata last posted08 August 2014
Metadata last update14 January 2021
Statistical presentation
Data description

The data are collected from enterprises and organizations that perform economic activity in Republic of Bulgaria. Sources of information are: pay-roll sheets, presence and absence sheets, labour or non-labour contracts, management contracts, letters of appointment or discharge, applications for paid or unpaid leaves etc.

Classification system

· National Classification of Economic Activities (NCEA-2003, for international use NACE.BG 2003);

· Classification of Economic Activities (CEA-2008, for international use NACE.BG 2008);

· Unified Classification of Administrative-Territorial and Territorial Units (UCATTU);

· Classification of territorial units for statistical purposes in Bulgaria (NUTS);

· National Classification of occupations and duties (comparable with ISCO08).

Sector coverage

Covered are enterprises from all economic activities irrespective of their type of ownership and source of financing, which have at least one employee working under labour contract.

Statistical concepts and definitions

Employees are all persons who have a labour contract (fixed or permanent; full-time or part-time) with their employer by virtue of the Labour Code or the Civil Servants Act and who receive remuneration in cash or in kind for certain quality and quantity of work done.

The average monthly number of employees is the arithmetic mean value of the daily number of employees (sum of the daily number of employees divided by the number of days for the reference month). Part-time employees are converted into full-time equivalents.

Gross wages and salaries are the remunerations paid regularly to the employees by the employers before the deduction of any tax and social security contributions payable by the employees and withheld by the employers. Gross wages and salaries comprise of: basic wages and salaries for time worked or work done; payments for statutory, contractual or voluntary leave; payments for overtime, shift work, extreme working conditions, length of service; monthly, quarterly and annual bonuses.

The average monthly wages and salaries are calculated through dividing the total amount of wages and salaries costs accrued during the reference month by the average monthly number of employees under labour contract excluding those on maternity leave.

Occupied post - an occupied post is a post within the organization to which an employee has been assigned under labour contract. The number of occupied posts is corresponding to the number of employees at the last day of the reference quarter without those absent from work for a period longer than 3 months (maternity leave, sick leave, unpaid leave).

Job vacancy - a job vacancy is defined as a newly created, unoccupied or about to become vacant post: 1) which the employer intends to fill either immediately or in the near future (3-months) and 2) for which the employer is taking active steps to find suitable candidate from outside the enterprise and is prepare to take more steps. Under the term "active steps" are included the following activities: announcing the post in Employment Agency, media (TV, newspapers, internet), direct contact with possible candidates and announcing a vacant post open to competition.

The job vacancy rate measures the proportion of number of job vacancies and the total sum of number of occupied posts and number of vacancies.

Labour Cost Index (LCI) is defined as Laspeyres index of labour costs per hour worked with base year 2016=100. It is calculated broken-down by economic activity at NACE.BG 2008 section level.

Statistical unit

The observation units are enterprises' companies, ministries, departments, political, religious, public and other organizations, that perform economical activities in Republic of Bulgaria and have at least one employee working under labour contract during the reference period.

Statistical population

Number of employees, job vacancies and wages and salaries data correspond to the enterprises with one and more employees from all economic activities.

Labour cost index refer to the enterprises with one and more employees from economic activities from B to S (incl. O) from NACE.BG 2008.

Reference area

The whole country is covered.

Time coverage

2000 - 2020

Base period

· Not applicable - number of employees, wages and salaries, occupied posts, job vacancies and job vacancy rate;

· Labour Cost Index - base year 2016.

Unit of measure

· Employees - number at the end of the month;

· Average wages and salaries - BGN;

· Occupied posts and job vacancies - number at the end of the month;

· Job vacancy rate - percent;

· Labour cost index - percent.

Reference period

The survey is conducted quarterly with figures for each month of the quarter.

Institutional mandate
Legal acts and other agreements

· Law on Statistics;

· National Statistical Programme.

· Regulation (EC) No 450/2003 of the European Parliament and of the Council of 27 February 2003 concerning the labour cost index:

· Commission Regulation (EC) No 1216/2003 of 7 July 2003 implementing Regulation (EC) No 450/2003 of the European Parliament and of the Council concerning the labour cost index;

· Regulation (EC) No 453/2008 of the European Parliament and of the Council of 23 April 2008 on quarterly statistics on Community job vacancies;

· Commission Regulation (EC) No 1062/2008 of 28 October 2008 implementing Regulation (EC) No 453/2008 of the European Parliament and of the Council on quarterly statistics on Community job vacancies, as regards seasonal adjustment procedures and quality reports:

· Commission Regulation (EC) No 19/2009 of 13 January 2009 implementing Regulation (EC) No 453/2008 of the European Parliament and of the Council on quarterly statistics on Community job vacancies, as regards the definition of a job vacancy, the reference dates for data collection, data transmission specifications and feasibility studies.

Data sharing

Not applicable.

Confidentiality
Confidentiality - policy

· Law on Statistics;

· Regulation (EC) N0 223/2009 of the European Parliament and of the Council of 11 March 2009 on European statistics (provision 24 and Article 20 (4)) (OJ L 87, p. 164), stipulates the necessity to establish common principles and guidelines ensuring the confidentiality of data used for the production of European statistics and the access to those confidential data with due account for technical developments and the requirements of users in a democratic society.

Confidentiality - data treatment

Individual data are not disseminated following the rules set in Article 25 from the Law on Statistics. The dissemination of individual data is done only under Article 26 from the same law.

Release policy
Release calendar

The actual date of data publication is set in the National Statistical Institute Release Calendar. Statistics on number of employees, wages and salaries, occupied posts, job vacancies and labour cost index is published four times a year.

Release calendar access

The calendar is available on the NSI website: http://www.nsi.bg/en/node/480

User access

The data are published on the NSI website, section Labour Market in accordance with the Law on Statistics and the European Statistics Code of Practice respecting the professional independence and aimed at objectivity, transparency and equal treatment of all consumers.

Frequency of dissemination

Quarterly

Accessibility and clarity
News release

Press release with main results from the quarterly survey on Number of Employees, time worked, wages and salaries and other labour costs is prepared and published on the NSI official website. The results are published in compliance with the NSI Release Calendar.

Publications

Statistical Reference Book

On-line database

Detailed results are available to all users of the NSI website under the heading Labour Market -Short-term statistics: http://www.nsi.bg/en/node/6398

Information System INFOSTAT: https://infostat.nsi.bg/infostat/pages/module.jsf?x_2=93

Micro-data access

Access to anonymised micro-data can be granted for research and scientific purposes upon request and following the Rules for granting access to anonymised micro-data for scientific and research purposes set by NSI.

Other

More detailed data, not published on the NSI web page can be prepared upon users' request according to the NSI Regulation for dissemination of statistical products and services.

Documentation on methodology

Methodological paper for the calculation of the average number of employees in full-time equivalents.

Quality documentation

· Labour Cost Index quality report;

· Job vacancies statistics quality report.

Quality management
Quality assurance

According to Article 2, point 3 from the Law on Statistics the statistical information shall be produced in compliance with the following criteria for quality: adequacy, accuracy, timeliness, punctuality, accessibility and clarity, comparability and logical consistency.

Quality assessment

Quality reports for the Labour Cost Index and Job vacancies are prepared every year by the end of August.

Relevance
User needs

The users groups are defined on the basis of the received data requests. They can be classified in the following main groups:

  • National authorities - ministries, agencies, councils, other government bodies and public institutions;
  • International organizations - Eurostat, ILO etc.
  • Social Partners - unions, employers' organizations;
  • Private organizations, enterprises, media;
  • Researchers and students.

Internal users: Labour Force Survey, National Accounts.

User satisfaction

No information available.

Completeness

Regarding the job vacancies and labour cost index the data are available in all requested breakdowns. For the number of employees and wages and salaries the data refer to the whole country and all economic activities.

Accuracy and reliability
Overall accuracy

The overall accuracy of the survey results depends of:

· Sample size. Each quarter at about 18 thousands enterprises are surveyed. Up to 2007 the survey is carried out exhaustively for the public sector units and by a sample for the private sector units. Since first quarter of 2008 a sample from the public owned schools and kindergartens is drawn and they are no longer exhaustively covered in the survey. The private sector sample is a stratified random sample without replacement. The stratification criteria used are: size of the enterprise in terms of employees, economic activity and NUTS 3 level. The sampling rates for the enterprises according to the number of employees are as follows: up to 49 employees - 5%, from 50 to 99 employees - 40% and 100 and more employees - 100% (census);

· Sampling frame. The sampling frame from which the survey sample is drown is taken from the annual exhaustive survey on Number of employees, wages and salaries and other labour costs for the year t-2 (the last available at the moment of sampling). The sampling frame is updated with information from administrative sources;

· Survey tools. The statistical form for the survey is available in electronic and paper format. In 2012 the survey become part from Information system Short-term Business Statistics, which is on-line based allowing 24 hours data collection and incorporates logical and arithmetic controls visible immediately during the data entry;

· Methods for errors identification and correction. The data processing goes through three main stages of validation: 1) data entry - 85 checks are included in the electronic form which control the plausibility of the inserted values and item non-response; 2) at regional level, the Regional Statistical Offices of NSI perform post-validation via 25 additional control incl. checks for coverage, extreme and missing values; 3) at national level, the Head Office of NSI performs additional validation as well for coverage and completeness. Comparability is made with administrative and other sources.

Sampling error

Coefficients of variation and confidence intervals are calculated for assessment of stochastic reliability of the estimation for main indicators. For the third quarter of 2019 for the private sector they are:

 

Indicator

Estimate

Coefficient of variation- %

Confidence intervals

Lower limit

Upper limit

Number of employees at the end of the month

1762164

0.5

1743344

1780984

Average monthly wages and salaries – BGN

1243

0.4

1232.33

1254.25

Labour costs per hour worked – BGN

10.34

0.4

10.25

10.43

Job vacancies – number

8831

5.3

7914

9749

 

Non-sampling error

The non-response rate for the third quarter of 2019 is 2.8%. The reasons for non-response are rather due to the use of old sampling frame i.e. inclusion in the sample of dead enterprises, enterprises with frozen activity, without employees, out of date contact information etc. rather than explicit refusals.

Unit non-response adjustment is done by re-weighting - sample size is replaced with the number of the responded units in the calculation of weights. Information from administrative Register of Insured Persons is used as well.

Timeliness and punctuality
Timeliness

Monthly data on the number of employees and their average monthly and quarterly wages and salaries, job vacancies and the job vacancy rate are published 40 days after the end of I-st, II-nd and III-rd quarter. The IV-th quarter data are announced 45 days after the end of the reference period. The Labour cost index is published 80 days after the reference quarter.

Punctuality

The survey results are presented at the actual date set in the National Statistical Institute Release Calendar.

Coherence and comparability
Comparability - geographical

The national and regional statistical data on employees and wages and salaries are in compliance with the acting Classification of territorial units for statistical purposes in Bulgaria (NUTS). Labour Cost Index and job vacancies statistics are produced in compliance with the EU legislation therefore comparable at EU level as well.

Comparability - over time

The comparability over time is disturbed by the changes of the Classification of Economic Activities. Up to 2007 NACE.BG 2003 was in force, since 2008 NACE.BG 2008 was implemented, which resulted in break of the time series for number of employees and wages and salaries. The Labour Cost Index series were back casted according to the NACE.BG 2008 as the time series begin from first quarter of 2000.

Coherence - cross domain

Coherence between the Labour Force Survey (LFS) and the survey on Number of employees, wages and salaries and other labour costs

The main difference between the both sources is due to the fact that the survey on Number of employees, wages and salaries and other labour costs collects information on the persons which have an employment contract according to the Labour Code or Civil Servants Act, while Labour Force Survey covers employees working by other type of contract or without any contract, as well the self-employed (working proprietors, own account works and unpaid family workers). LFS includes armed forces, but excludes persons on leave for raising a child up to two years of age.

Methodological differences such as: sampling unit, reference period, methods of data classification by economic activity, regional distribution (working place/ residence) etc. are potential reason for data discrepancies as well.

Coherence between the survey on Number of employees, wages and salaries and other labour costs and National Accounts

National Accounts as a system responsible for producing statistics with full coverage of the national economy and assuring comparability with the other main macroeconomic indicators is combining different sources in its estimates therefore the figures for employment, compensation of employees are different from the ones produced from the survey on employees, wages and salaries and other labour costs. There are differences in the definitions as well. The compensation of employees calculated by National Accounts includes payments which are not included in total labour costs such as: part of daily allowances for business travelling; provision of recreation or holiday facilities for employees and their families; costs related to employees working under non-labour contract and their earnings in the form of fees and commissions. National Accounts make additional adjustments for exhaustiveness on the following components: tips are estimated for activities like restaurants, bars, transport and other service activities (hairdressing and other beauty treatment); non-reported wages for employees working without any contract (informal employment).

Coherence - internal

All indicators are internal coherent.

Cost and burden

No information is available for the respondents’ burden.

Data revision
Data revision - policy

The data revision means that different estimations for one and the same indicator are presented in different point of time. The main purpose of the revisions is to publish the best available estimates at the moment taking into account more exhaustive and with the better quality information available.

Data revision - practice

The population from which the survey sample for year t is drown contains all private sector enterprises that submitted annual balance sheets (incl. labour form) for year t-2 (the most recent available at the time of sampling) and the privatized enterprises during year (t-1). Due to the long period of time between the population from which the sample is made and the reference year two revisions of quarterly data are need to be done. The first revision is done when annual final data for year (t-1) are announced. Its aim is to update the population. The second one is imposed due to the impossibility to cover the newly established firms in time and it is done when annual final data for year (t) become available.

Statistical processing
Source data

The data source is the quarterly sample survey on the Number of employees, time worked, wages and salaries and other labour costs.

Frequency of data collection

Quarterly

Data collection

Up to 2007 the survey is carried out exhaustively for the public sector units and by a sample for the private sector units. Since first quarter of 2008 a sample from the public owned schools and kindergartens is drawn and they are no longer exhaustively covered in the survey.

Data validation

The data validation goes through three stages:

  • At the data entry;
  • At regional level by the NSI Regional Statistical Offices;
  • At national level by the NSI Head Office.
Data compilation

The data processing goes through the following stages:

  • On-line data entry;
  • Data validation;
  • Correction of errors and imputation of missing information using administrative sources;
  • Calculation of weights and weighting the results;
  • Producing standardized output tables with main survey results.
Adjustment

Labour Cost Index series are published in the following three forms:

  • Unadjusted;
  • Working day adjusted - excluding the effect of varying number of working days in the same quarters in different years as well moving holydays and leap-years;
  • Seasonally and working day adjusted – seasonal adjustment is carried out on working day adjusted series. Seasonal adjustment is a process where the seasonal component is removed from the time series in order to better identify short-term developments.
Comment
Metadata Structure Definition in SDMX 2.1: ESMS_MSD+BNSI+2.0+SDMX.2.1.xml
Metadata Structure Definition in SDMX 2.0: ESMS_MSD+BNSI+2.0+SDMX.2.0.xml


ESS Standard for Quality Reports Structure (ESQRS)

Short term statistics on employment and labour costs - Employees under labour contract, Average monthly wages and salaries, Job vacancies, Job vacancy rate, quarterly labour cost index
Contact
Contact organisation

National Statistical Institute

Contact organisation unit

"Labour Statistics" Department

Contact name

Todor Davidkov

Contact person function

Head of department

Contact mail address

2, P. Volov Str.; 1038 Sofia, Bulgaria

Contact email address

[email protected]

Contact phone number

+359 2 9857 568

Contact fax number
Statistical presentation
Data description

The data are collected from enterprises and organizations that perform economic activity in Republic of Bulgaria. Sources of information are: pay-roll sheets, presence and absence sheets, labour or non-labour contracts, management contracts, letters of appointment or discharge, applications for paid or unpaid leaves etc.

Classification system

· National Classification of Economic Activities (NCEA-2003, for international use NACE.BG 2003);

· Classification of Economic Activities (CEA-2008, for international use NACE.BG 2008);

· Unified Classification of Administrative-Territorial and Territorial Units (UCATTU);

· Classification of territorial units for statistical purposes in Bulgaria (NUTS);

· National Classification of occupations and duties (comparable with ISCO08).

Sector coverage

Covered are enterprises from all economic activities irrespective of their type of ownership and source of financing, which have at least one employee working under labour contract.

Statistical concepts and definitions

Employees are all persons who have a labour contract (fixed or permanent; full-time or part-time) with their employer by virtue of the Labour Code or the Civil Servants Act and who receive remuneration in cash or in kind for certain quality and quantity of work done.

The average monthly number of employees is the arithmetic mean value of the daily number of employees (sum of the daily number of employees divided by the number of days for the reference month). Part-time employees are converted into full-time equivalents.

Gross wages and salaries are the remunerations paid regularly to the employees by the employers before the deduction of any tax and social security contributions payable by the employees and withheld by the employers. Gross wages and salaries comprise of: basic wages and salaries for time worked or work done; payments for statutory, contractual or voluntary leave; payments for overtime, shift work, extreme working conditions, length of service; monthly, quarterly and annual bonuses.

The average monthly wages and salaries are calculated through dividing the total amount of wages and salaries costs accrued during the reference month by the average monthly number of employees under labour contract excluding those on maternity leave.

Occupied post - an occupied post is a post within the organization to which an employee has been assigned under labour contract. The number of occupied posts is corresponding to the number of employees at the last day of the reference quarter without those absent from work for a period longer than 3 months (maternity leave, sick leave, unpaid leave).

Job vacancy - a job vacancy is defined as a newly created, unoccupied or about to become vacant post: 1) which the employer intends to fill either immediately or in the near future (3-months) and 2) for which the employer is taking active steps to find suitable candidate from outside the enterprise and is prepare to take more steps. Under the term "active steps" are included the following activities: announcing the post in Employment Agency, media (TV, newspapers, internet), direct contact with possible candidates and announcing a vacant post open to competition.

The job vacancy rate measures the proportion of number of job vacancies and the total sum of number of occupied posts and number of vacancies.

Labour Cost Index (LCI) is defined as Laspeyres index of labour costs per hour worked with base year 2016=100. It is calculated broken-down by economic activity at NACE.BG 2008 section level.

Statistical unit

The observation units are enterprises' companies, ministries, departments, political, religious, public and other organizations, that perform economical activities in Republic of Bulgaria and have at least one employee working under labour contract during the reference period.

Statistical population

Number of employees, job vacancies and wages and salaries data correspond to the enterprises with one and more employees from all economic activities.

Labour cost index refer to the enterprises with one and more employees from economic activities from B to S (incl. O) from NACE.BG 2008.

Reference area

The whole country is covered.

Time coverage

2000 - 2020

Base period

· Not applicable - number of employees, wages and salaries, occupied posts, job vacancies and job vacancy rate;

· Labour Cost Index - base year 2016.

Statistical processing
Source data

The data source is the quarterly sample survey on the Number of employees, time worked, wages and salaries and other labour costs.

Frequency of data collection

Quarterly

Data collection

Up to 2007 the survey is carried out exhaustively for the public sector units and by a sample for the private sector units. Since first quarter of 2008 a sample from the public owned schools and kindergartens is drawn and they are no longer exhaustively covered in the survey.

Data validation

The data validation goes through three stages:

  • At the data entry;
  • At regional level by the NSI Regional Statistical Offices;
  • At national level by the NSI Head Office.
Data compilation

The data processing goes through the following stages:

  • On-line data entry;
  • Data validation;
  • Correction of errors and imputation of missing information using administrative sources;
  • Calculation of weights and weighting the results;
  • Producing standardized output tables with main survey results.
Adjustment

Labour Cost Index series are published in the following three forms:

  • Unadjusted;
  • Working day adjusted - excluding the effect of varying number of working days in the same quarters in different years as well moving holydays and leap-years;
  • Seasonally and working day adjusted – seasonal adjustment is carried out on working day adjusted series. Seasonal adjustment is a process where the seasonal component is removed from the time series in order to better identify short-term developments.
Quality management
Quality assurance

According to Article 2, point 3 from the Law on Statistics the statistical information shall be produced in compliance with the following criteria for quality: adequacy, accuracy, timeliness, punctuality, accessibility and clarity, comparability and logical consistency.

Quality assessment

Quality reports for the Labour Cost Index and Job vacancies are prepared every year by the end of August.

Relevance
User needs

The users groups are defined on the basis of the received data requests. They can be classified in the following main groups:

  • National authorities - ministries, agencies, councils, other government bodies and public institutions;
  • International organizations - Eurostat, ILO etc.
  • Social Partners - unions, employers' organizations;
  • Private organizations, enterprises, media;
  • Researchers and students.

Internal users: Labour Force Survey, National Accounts.

User satisfaction

No information available.

Completeness

Regarding the job vacancies and labour cost index the data are available in all requested breakdowns. For the number of employees and wages and salaries the data refer to the whole country and all economic activities.

Data completeness - rate

100% for the information on number of employees, wages and salaries and job vacancies

75% for the labour cost index

Accuracy and reliability
Overall accuracy

The overall accuracy of the survey results depends of:

· Sample size. Each quarter at about 18 thousands enterprises are surveyed. Up to 2007 the survey is carried out exhaustively for the public sector units and by a sample for the private sector units. Since first quarter of 2008 a sample from the public owned schools and kindergartens is drawn and they are no longer exhaustively covered in the survey. The private sector sample is a stratified random sample without replacement. The stratification criteria used are: size of the enterprise in terms of employees, economic activity and NUTS 3 level. The sampling rates for the enterprises according to the number of employees are as follows: up to 49 employees - 5%, from 50 to 99 employees - 40% and 100 and more employees - 100% (census);

· Sampling frame. The sampling frame from which the survey sample is drown is taken from the annual exhaustive survey on Number of employees, wages and salaries and other labour costs for the year t-2 (the last available at the moment of sampling). The sampling frame is updated with information from administrative sources;

· Survey tools. The statistical form for the survey is available in electronic and paper format. In 2012 the survey become part from Information system Short-term Business Statistics, which is on-line based allowing 24 hours data collection and incorporates logical and arithmetic controls visible immediately during the data entry;

· Methods for errors identification and correction. The data processing goes through three main stages of validation: 1) data entry - 85 checks are included in the electronic form which control the plausibility of the inserted values and item non-response; 2) at regional level, the Regional Statistical Offices of NSI perform post-validation via 25 additional control incl. checks for coverage, extreme and missing values; 3) at national level, the Head Office of NSI performs additional validation as well for coverage and completeness. Comparability is made with administrative and other sources.

Sampling error

Coefficients of variation and confidence intervals are calculated for assessment of stochastic reliability of the estimation for main indicators. For the third quarter of 2019 for the private sector they are:

 

Indicator

Estimate

Coefficient of variation- %

Confidence intervals

Lower limit

Upper limit

Number of employees at the end of the month

1762164

0.5

1743344

1780984

Average monthly wages and salaries – BGN

1243

0.4

1232.33

1254.25

Labour costs per hour worked – BGN

10.34

0.4

10.25

10.43

Job vacancies – number

8831

5.3

7914

9749

 

Sampling errors - indicators

 

Indicator

Estimate

Coefficient of variation- %

Confidence intervals

Lower limit

Upper limit

Number of employees at the end of the month

1762164

0.5

1743344

1780984

Average monthly wages and salaries – BGN

1243

0.4

1232.33

1254.25

Labour costs per hour worked – BGN

10.34

0.4

10.25

10.43

Job vacancies – number

8831

5.3

7914

9749

 

Non-sampling error

The non-response rate for the third quarter of 2019 is 2.8%. The reasons for non-response are rather due to the use of old sampling frame i.e. inclusion in the sample of dead enterprises, enterprises with frozen activity, without employees, out of date contact information etc. rather than explicit refusals.

Unit non-response adjustment is done by re-weighting - sample size is replaced with the number of the responded units in the calculation of weights. Information from administrative Register of Insured Persons is used as well.

Coverage error

The target population for the survey is all enterprises with one or more employees under labour contract. In the survey sample 300 enterprises (1.5% from enterprises in the sample) were inactive or without employees.

Over-coverage - rate

1.5%

Common units - proportion

The administrative Register of Insured Persons from the National Social Security Institute is used mainly for reducing unit non-response. The data for around 250 refusing enterprises, 1.2% from the total number of surveyed enterprises, is imputed from the administrative register each quarter.

Measurement error

The average annual number of employees under labour contract is collected in rounded whole numbers.

Non response error

The main reasons for non-response are rather due to the use of old sampling frame i.e. inclusion in the sample of dead enterprises, enterprises with frozen activity, without employees, out of date contact information etc. rather than explicit refusals.

Unit non-response - rate

2.8%

Item non-response - rate

Not calculated. The logical and arithmetic controls do not allow missing information for the main variables in the survey.

Processing error

After consolidation of the regional data into national database checks are done for duplicated records.

Imputation - rate

The data for around 250 refusing enterprises, 1.2% from the total number of surveyed enterprises, is imputed from the administrative register each quarter.

Model assumption error

Not applicable

Seasonal adjustment

Labour Cost Index series are published in the following three forms:

  • Unadjusted;
  • Working day adjusted - excluding the effect of varying number of working days in the same quarters in different years as well moving holydays and leap-years;
  • Seasonally and working day adjusted – seasonal adjustment is carried out on working day adjusted series. Seasonal adjustment is a process where the seasonal component is removed from the time series in order to better identify short-term developments.
Data revision - policy

The data revision means that different estimations for one and the same indicator are presented in different point of time. The main purpose of the revisions is to publish the best available estimates at the moment taking into account more exhaustive and with the better quality information available.

Data revision - practice

The population from which the survey sample for year t is drown contains all private sector enterprises that submitted annual balance sheets (incl. labour form) for year t-2 (the most recent available at the time of sampling) and the privatized enterprises during year (t-1). Due to the long period of time between the population from which the sample is made and the reference year two revisions of quarterly data are need to be done. The first revision is done when annual final data for year (t-1) are announced. Its aim is to update the population. The second one is imposed due to the impossibility to cover the newly established firms in time and it is done when annual final data for year (t) become available.

Data revision - average size

Number of employees - 3.2%

Average monthly wages and salaries - 0.2%

Timeliness and punctuality
Timeliness

Monthly data on the number of employees and their average monthly and quarterly wages and salaries, job vacancies and the job vacancy rate are published 40 days after the end of I-st, II-nd and III-rd quarter. The IV-th quarter data are announced 45 days after the end of the reference period. The Labour cost index is published 80 days after the reference quarter.

Time lag - first results

40 days

Time lag - final results

24 months

Punctuality

The survey results are presented at the actual date set in the National Statistical Institute Release Calendar.

Punctuality - delivery and publication

Normally there is no delay between the planned and the actual date of publication.

Coherence and comparability
Comparability - geographical

The national and regional statistical data on employees and wages and salaries are in compliance with the acting Classification of territorial units for statistical purposes in Bulgaria (NUTS). Labour Cost Index and job vacancies statistics are produced in compliance with the EU legislation therefore comparable at EU level as well.

Asymmetry for mirror flows statistics - coefficient

Not applicable.

Comparability - over time

The comparability over time is disturbed by the changes of the Classification of Economic Activities. Up to 2007 NACE.BG 2003 was in force, since 2008 NACE.BG 2008 was implemented, which resulted in break of the time series for number of employees and wages and salaries. The Labour Cost Index series were back casted according to the NACE.BG 2008 as the time series begin from first quarter of 2000.

Length of comparable time series

2000-2020

Coherence - cross domain

Coherence between the Labour Force Survey (LFS) and the survey on Number of employees, wages and salaries and other labour costs

The main difference between the both sources is due to the fact that the survey on Number of employees, wages and salaries and other labour costs collects information on the persons which have an employment contract according to the Labour Code or Civil Servants Act, while Labour Force Survey covers employees working by other type of contract or without any contract, as well the self-employed (working proprietors, own account works and unpaid family workers). LFS includes armed forces, but excludes persons on leave for raising a child up to two years of age.

Methodological differences such as: sampling unit, reference period, methods of data classification by economic activity, regional distribution (working place/ residence) etc. are potential reason for data discrepancies as well.

Coherence between the survey on Number of employees, wages and salaries and other labour costs and National Accounts

National Accounts as a system responsible for producing statistics with full coverage of the national economy and assuring comparability with the other main macroeconomic indicators is combining different sources in its estimates therefore the figures for employment, compensation of employees are different from the ones produced from the survey on employees, wages and salaries and other labour costs. There are differences in the definitions as well. The compensation of employees calculated by National Accounts includes payments which are not included in total labour costs such as: part of daily allowances for business travelling; provision of recreation or holiday facilities for employees and their families; costs related to employees working under non-labour contract and their earnings in the form of fees and commissions. National Accounts make additional adjustments for exhaustiveness on the following components: tips are estimated for activities like restaurants, bars, transport and other service activities (hairdressing and other beauty treatment); non-reported wages for employees working without any contract (informal employment).

Coherence - sub annual and annual statistics

The information on number of employees and labour costs is collected following the same definition and with same coverage (economic activities, regions, size classes) as in the annual census survey on Employed persons, wages and salaries and other labour costs.

Coherence - National Accounts

Coherence between the survey on Number of employees, wages and salaries and other labour costs and National Accounts

National Accounts as a system responsible for producing statistics with full coverage of the national economy and assuring comparability with the other main macroeconomic indicators is combining different sources in its estimates therefore the figures for employment, compensation of employees are different from the ones produced from the survey on employees, wages and salaries and other labour costs. There are differences in the definitions as well. The compensation of employees calculated by National Accounts includes payments which are not included in total labour costs such as: part of daily allowances for business travelling; provision of recreation or holiday facilities for employees and their families; costs related to employees working under non-labour contract and their earnings in the form of fees and commissions. National Accounts make additional adjustments for exhaustiveness on the following components: tips are estimated for activities like restaurants, bars, transport and other service activities (hairdressing and other beauty treatment); non-reported wages for employees working without any contract (informal employment).

Coherence - internal

All indicators are internal coherent.

Accessibility and clarity
News release

Press release with main results from the quarterly survey on Number of Employees, time worked, wages and salaries and other labour costs is prepared and published on the NSI official website. The results are published in compliance with the NSI Release Calendar.

Publications

Statistical Reference Book

On-line database

Detailed results are available to all users of the NSI website under the heading Labour Market -Short-term statistics: http://www.nsi.bg/en/node/6398

Information System INFOSTAT: https://infostat.nsi.bg/infostat/pages/module.jsf?x_2=93

Data tables - consultations
Micro-data access

Access to anonymised micro-data can be granted for research and scientific purposes upon request and following the Rules for granting access to anonymised micro-data for scientific and research purposes set by NSI.

Other

More detailed data, not published on the NSI web page can be prepared upon users' request according to the NSI Regulation for dissemination of statistical products and services.

Metadata - consultations

Between 50 and 100 annually.

Documentation on methodology

Methodological paper for the calculation of the average number of employees in full-time equivalents.

Metadata completeness – rate

100%

Quality documentation

· Labour Cost Index quality report;

· Job vacancies statistics quality report.

Cost and burden

No information is available for the respondents’ burden.

Confidentiality
Confidentiality - policy

· Law on Statistics;

· Regulation (EC) N0 223/2009 of the European Parliament and of the Council of 11 March 2009 on European statistics (provision 24 and Article 20 (4)) (OJ L 87, p. 164), stipulates the necessity to establish common principles and guidelines ensuring the confidentiality of data used for the production of European statistics and the access to those confidential data with due account for technical developments and the requirements of users in a democratic society.

Confidentiality – data treatment

Individual data are not disseminated following the rules set in Article 25 from the Law on Statistics. The dissemination of individual data is done only under Article 26 from the same law.

Comment
Metadata Structure Definition in SDMX 2.1: ESQRS_MSD+BNSI+2.0+SDMX.2.1.xml
Metadata Structure Definition in SDMX 2.0: ESQRS_MSD+BNSI+2.0+SDMX.2.0.xml

Pages

Pages