The National Statistical Institute (NSI) is a state institution in Bulgaria that collects, processes and disseminates official statistical information on social, economic and demographic processes in the country. The NSI's activities are aimed at providing objective and reliable data that support informed decision-making by the state, business and society. The Institute works in accordance with international statistical standards and is an active participant in the European Statistical System.
Contact | |
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Contact organisation | National Statistical Institute |
Contact organisation unit | Labour Force Statistics Department |
Contact name | Tsveta Kostova - Sevastiyanova Stanislava Statkova |
Contact person function | Head of Department State expert |
Contact mail address | 2, P. Volov Str.; 1038 Sofia, Bulgaria |
Contact email address | |
Contact phone number | (+359 2) 9857 619 (+359 2) 9857 664 |
Contact fax number | |
Metadata update | |
Metadata last certified | 17 October 2025 |
Metadata last posted | 17 October 2025 |
Metadata last update | 17 October 2025 |
Statistical presentation | |
Data description | The Labour Force Survey is a sample statistical survey carried out through households. The main purpose of the survey is to provide data on labour status of population aged 15 years and over and for the main characteristics of employed, unemployed and persons out of labour force in the Republic of Bulgaria. In 2024 a subject on young people on the labour market was incorporated in the regular Labour force survey. The subject on young people on the labour market was jointly financed by the NSI and by the European Commission under a signed agreement between the two institutions. The aim of the module "Young people on the labour market" is to provide more detailed and comparable information at European level on the level of formal education or training started but not successfully completed, and the main reason for this; the correspondence of the educational attainment, field of education, and skills with the requirements of the current/last main job. Specifically, the module data provides information on: - the number of persons who have ever started but not successfully completed a formal education or training or have currently interrupted for one or more years; - the level of the formal education or training which the persons started but not successfully completed or have currently interrupted and the main reason for this; - match between highest level of formal education successfully completed and the requirements of the current/last main job; - match between the field of the person’s highest level of formal education successfully completed and the requirements of the current/last main job; - match between a person’s skills and the requirements of the current/last main job.
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Classification system | The classifications used in the Labour Force Survey are harmonised with the international classifications in terms of economic activities, occupations, educational attainment. The main classifications used are the following: International Standard Classification of Education, 2011 version (ISCED 2011); Classification of Economic Activities - 2008, which is a Bulgarian version of NACE, Rev. 2 - since 2008; National Classification of Occupations - 2011 (1st digit - occupational class), comparable to the International Standard Classification of Occupations-ISCO ’08 - since 1 January 2011. |
Sector coverage | Persons aged 15 to 34 years. |
Statistical concepts and definitions | The main definitions applied in the survey are in accordance with the recommendation of International Labour Organisation and EU legislation. |
Statistical unit | Persons living in non-institutional households. |
Statistical population | Total population usually residing in Bulgaria, except persons living in collective households. The module "Young people on the labour market" refers to persons aged 15 to 34 years. |
Reference area | The whole territory of Republic of Bulgaria. |
Time coverage | Not applicable. |
Base period | Not applicable. |
Unit of measure | |
Number of persons in thousands. | |
Reference period | |
For every person in the sample the reference period is one calendar week (from Monday to Sunday). The sample is evenly spread over the all 13 calendar weeks within each quarter. | |
Institutional mandate | |
Legal acts and other agreements | The concepts and definitions applied in the Labour Force Survey are in line with: Recommendation of the International Labour Organisation; Commission implementing regulation (EU) 2022/2312 of 25 November 2022 on eight-yearly variables in the labour force domain on ‘young people on the labour market’, ‘educational attainment – details, including education interrupted or abandoned’ and ‘reconciliation of work and family life’ pursuant to Regulation (EU) 2019/1700 of the European Parliament and of the Council; Regulation (EU) 2019/1700 of the European Parliament and of the Council of 10 October 2019 establishing a common framework for European statistics relating to persons and households, based on data at individual level collected from samples; Commission Implementing Regulation (EU) 2019/2240 of 16 December 2019 specifying the technical items of the data set, establishing the technical formats for transmission of information and specifying the detailed arrangements and content of the quality reports on the organisation of a sample survey in the labour force domain in accordance with Regulation (EU) 2019/1700 of the European Parliament and of the Council; Law on Statistics. |
Data sharing | Not applicable. |
Confidentiality | |
Confidentiality - policy | Law on Statistics; Regulation (EC) No 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 anonymous data provided for the purposes of scientific research do not consist any administrative data as personal information and address and do not allow direct identification. Additional aggregation of data is performed for some of the variables. In accordance with Article 25 of the Law on Statistics Individual data are not published. Dissemination of individual data is possible only in accordance with Article 26 of the Law on Statistics. |
Release policy | |
Release calendar | The main results from the LFS module "Young people on the labour market" are disseminated on the NSI website on 17 October 2025. |
Release calendar access | The calendar is available on the NSI website: https://www.nsi.bg/en/calendar |
User access | Accessibility of all users to statistical data and equality of their rights are stipulated in the Regulation for dissemination of statistical products and services by the National Statistical Institute. Data are disseminated on the NSI website, section “Labour Market” in line with the Law of Statistics and European Statistics Code of Practice respecting professional independence and in an objective, professional and transparent manner in which all users are treated equitably. |
Frequency of dissemination | |
Every eight years. | |
Accessibility and clarity | |
News release | Not available. |
Publications | Not available. |
On-line database | The main results from the ad hoc module "Young people on the labour market" are available for all users at the NSI website, section “Labour Market”, Labour Force Survey, Annual data: https://www.nsi.bg/en/statistical-data/168/1344 |
Micro-data access | Individual anonymous micro-data could be provided for scientific research purposes by individual request according to the Regulation of submission of anonymous individual data for scientific and research purposes. |
Other | An information service could be provided by request, according to the Rules for Dissemination of Statistical Information Products and Services. |
Documentation on methodology | Labour force survey methodology: https://www.nsi.bg/en/metadata/labour-force-survey-120; Questionnaire for the module "Young people on the labour market"; Interviewers’ instructions for the module "Young people on the labour market"; Eurostat’s Explanatory notes for the variables on young people on the labour market. |
Quality documentation | |
Quality management | |
Quality assurance | Ensuring the quality of Labour force survey and its modules is according to the policy and Quality Management Programme of NSI. |
Quality assessment | Quality report on the Labour Force Survey is prepared each year. Quality report on the 2024 module "Young people on the labour market" is also prepared in line with Eurostat requirements. |
Relevance | |
User needs | The main users of LFS statistical data are: International organisations: - European Commission- DG Employment, Social Affairs and Inclusion and other Directorates; - Eurostat- Labour market and lifelong learning unit and other units; - European Central Bank; - OECD; - International Labour Organisation; - UNESCO; - UNICEF.
National users: - Ministries and State agencies; - Bulgarian National Bank; - Trade Unions; - Employers’ organisations; - Non-governmental organisations; - Research institutions; - Companies, agencies- for own marketing researches and consultancy activities research institutions. |
User satisfaction | Not available. |
Completeness | The module "Young people on the labour market" covers all compulsory variables according Commission implementing regulation (EU) 2022/2312 of 25 November 2022 on eight-yearly variables in the labour force domain on ‘young people on the labour market’, ‘educational attainment – details, including education interrupted or abandoned’ and ‘reconciliation of work and family life’ pursuant to Regulation (EU) 2019/1700 of the European Parliament and of the Council. |
Accuracy and reliability | |
Overall accuracy | The sample used for the Labour force survey is a two-stage stratified cluster sample, which includes quarterly about 19.6 thousand households (representing about 0.65% sampling rate). The module module "Young people on the labour market" was carried out over a part (25%) of the LFS sample in each quarter and consisted of the households from the third wave. Due to the sampling approach used in the Labour force survey, the estimation of the parameters obtained from the survey could vary from those in the population due to sampling errors, errors due to non-response, errors in registration or processing etc. |
Sampling error | Coefficients of variation (relative standard errors), and confidence intervals (i.e. the range of values that 95% of times would capture the true value in the population) are calculated for assessment of stochastic reliability of the estimates for main indicators. |
Non-sampling error | The non-response rate for the module “Young people on the labour market” is 0.3% (of persons responded in regular LFS). |
Timeliness and punctuality | |
Timeliness | The main results from the LFS modules are published after the reference year. |
Punctuality | The main results from the module “Young people on the labour market" are presented on 17 October 2025. |
Coherence and comparability | |
Comparability - geographical | Comparability across EU Member States is considered high due to use of harmonised concepts, variables, definitions and classifications. |
Comparability - over time | Not applicable. |
Coherence - cross domain | Not applicable. |
Coherence - internal | Some of the totals (rows and columns) in tables could slightly differ from the sum of the components because of the rounding of figures. |
Cost and burden | |
The average duration of interview on the module 2024 “Young people on the labour market” is about 8 minutes. | |
Data revision | |
Data revision - policy | Revisions of previously released data are usually not performed. By exception, revisions may happen after new estimates of population from a Population Census became available. |
Data revision - practice | |
Statistical processing | |
Source data | A module integrated with the Labour force survey. |
Frequency of data collection | Every eight years. |
Data collection | Data for the module “Young people on the labour market” are collected using a questionnaire by conducting a personal interview with persons from the selected households immediately after the interview on the core Labour Force Survey. |
Data validation | Plausibility checks are performed during the data entry. Additional consistency checks are carried out before publishing of data. |
Data compilation | Data collection and initial control are carried out by NSI regional offices. Data files are received by NSI, where additional control and weighting is doing at national level. Data are aggregated by different variables (characteristics), tabulated and disseminated. |
Adjustment | Not applicable. |
Comment |
The National Statistical Institute (NSI) is a state institution in Bulgaria that collects, processes and disseminates official statistical information on social, economic and demographic processes in the country. The NSI's activities are aimed at providing objective and reliable data that support informed decision-making by the state, business and society. The Institute works in accordance with international statistical standards and is an active participant in the European Statistical System.
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