Internal migration of the population between statistical regions by sex



INTERNAL MIGRATION OF THE POPULATION BETWEEN STATISTICAL REGIONS BY SEX IN 2019
(Number)
Sex
Immigrants in the regions
Emigrants from the regions
Total Severna I Yugoiztochna Bulgaria Yugozapadna I Yuzhna tsentralna Bulgaria
Total Severo-zapaden Severen tsentralen Severo-iztochen Yugo-iztochen Total Yugo-zapaden Yuzhen tsentralen
Total 128 179 73 188 19 199 15 921 17 320 20 748 54 991 32 270 22 721
Severna i                  
Yugoiztochna Bulgaria 69 175 58 388 14 212 13 404 14 780 15 992 10 787 7 957 2 830
Severozapaden 17 543 13 822 12 239 842 380 361 3 721 3 346 375
Severen tsentralen 14 695 13 052 960 10 081 1 381 630 1 643 1 291 352
Severoiztochen 17 087 15 345 544 1 727 12 123 951 1 742 1 288 454
Yugoiztochen 19 850 16 169 469 754 896 14 050 3 681 2 032 1 649
Yugozapadna i                  
Yuzhna tsentralna Bulgaria 59 004 14 800 4 987 2 517 2 540 4 756 44 204 24 313 19 891
Yugozapaden 35 572 11 036 4 373 1 895 1 984 2 784 24 536 21 217 3 319
Yuzhen tsentralen 23 432 3 764 614 622 556 1 972 19 668 3 096 16 572
Male 58 506 33 329 8 997 7 027 7 814 9 491 25 177 14 979 10 198
Severna i                  
Yugoiztochna Bulgaria 31 572 26 521 6 671 5 844 6 677 7 329 5 051 3 749 1 302
Severozapaden 8 262 6 493 5 796 364 169 164 1 769 1 595 174
Severen tsentralen 6 509 5 720 426 4 356 637 301 789 607 182
Severoiztochen 7 751 6 945 252 776 5 457 460 806 595 211
Yugoiztochen 9 050 7 363 197 348 414 6 404 1 687 952 735
Yugozapadna i                  
Yuzhna tsentralna Bulgaria 26 934 6 808 2 326 1 183 1 137 2 162 20 126 11 230 8 896
Yugozapaden 16 484 5 125 2 040 906 892 1 287 11 359 9 804 1 555
Yuzhen tsentralen 10 450 1 683 286 277 245 875 8 767 1 426 7 341
Female 69 673 39 859 10 202 8 894 9 506 11 257 29 814 17 291 12 523
Severna i                  
Yugoiztochna Bulgaria 37 603 31 867 7 541 7 560 8 103 8 663 5 736 4 208 1 528
Severozapaden 9 281 7 329 6 443 478 211 197 1 952 1 751 201
Severen tsentralen 8 186 7 332 534 5 725 744 329 854 684 170
Severoiztochen 9 336 8 400 292 951 6 666 491 936 693 243
Yugoiztochen 10 800 8 806 272 406 482 7 646 1 994 1 080 914
Yugozapadna i                  
Yuzhna tsentralna Bulgaria 32 070 7 992 2 661 1 334 1 403 2 594 24 078 13 083 10 995
Yugozapaden 19 088 5 911 2 333 989 1 092 1 497 13 177 11 413 1 764
Yuzhen tsentralen 12 982 2 081 328 345 311 1 097 10 901 1 670 9 231
13.04.2020


Euro-SDMX Metadata Structure (ESMS)

INTERNAL AND INTERNATIONAL MIGRATION - Immigrants, Emigrants, Migration increase, Internal migration and International migration
Contact
Contact organisation

National Statistical Institute

Contact organisation unit

Population and Housing Fund Statistics Department

Contact name

Chrastina Petkova-Tancheva

Contact person function

chief expert

Contact mail address

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

Contact email address

[email protected]

Contact phone number

+359 2 9857 553

Contact fax number
Metadata update
Metadata last certified13 April 2020
Metadata last posted13 April 2020
Metadata last update13 April 2020
Statistical presentation
Data description

Persons who have changed their usual residence (current address) are surveyed. The registration is done at the moment of migration and the total migration is calculated as of 31.12 of the reference year. Internal migration is the change of usual residence within the country and international - the change of usual residence in Bulgaria with a residence abroad or vice versa. Migration growth of a given country territory is the difference between the immigration to and emigration from the area during the year.

Classification system

· Classification of Territorial Units for Statistical Purposes in Bulgaria (NUTS);

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

· Classification of countries (for the international migration purposes only).

Sector coverage

Data on migration concerns a calendar year and include all persons who have changed their current address within the country, address in the country with an address abroad and address abroad with an address in the country.

Statistical concepts and definitions

Migration growth of a given country territory is the difference between the immigration to and emigration from the area during the year.

Net international migration is the difference between immigration into and emigration from the country.

Statistical unit

Migrated persons

Statistical population

Migrants - total number

Reference area

Regional breakdown of migrants is done according to the country administrative-territorial division as of 31.12 of the reference year - settlements, municipalities, districts and statistical regions.

Time coverage

On the NSI website

· 2010 - 2019 internal migration;

· 2010 - 2019 international migration.

Base period

Not applicable.

Unit of measure

Number; per 1000 population

Reference period

Calendar year

Institutional mandate
Legal acts and other agreements

· Regulation (EC) 862/2007;

· Law on Statistics;

· Law on Civil Registration.

Data sharing

Data is presented based on Regulation (EC) 862/2007 of the European Parliament and of the Council on the statistics on migration.

Confidentiality
Confidentiality - policy

· Law on Statistics

· Regulation (EC) No 223/2009 on European statistics (recital 24 and Article 20(4)) of 11 March 2009 (OJ L 87, p. 164), stipulates the need 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 published in accordance with article 25 of the Law on Statistics. The publishing of individual data can be performed only in accordance with article 26 of the same law.

Release policy
Release calendar

Information is published annually according to the Release Calendar presenting the results of the statistical surveys carried out by the National Statistical Institute.

Release calendar access

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

User access

Data is published on the NSI website, section Population (Demography, Migration and Projections) 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

Annually

Accessibility and clarity
News release

News release "Population and demographic processes".

Publications

· Population and demographic processes;

· Statistical Reference book;

· Statistical Yearbook.

On-line database

Data on migration are available to all users of the NSI website under the heading Population (Demography, Migration and Projections) - Migration: http://www.nsi.bg/en/node/6683

Information System INFOSTAT     Internal migration:  https://infostat.nsi.bg/infostat/pages/module.jsf?x_2=32

International migration:  https://infostat.nsi.bg/infostat/pages/module.jsf?x_2=38

 

 

 

Micro-data access

Anonymised individual data can be provide for scientific and research purposes, and for individual request according to the Rules for the provision of anonymised individual data for scientific and research purposes.

Other

Information service on request, according to the Rules for the dissemination of statistical products and services in NSI.

Documentation on methodology

· Methodology on migration: http://www.nsi.bg/sites/default/files/files/metadata/Pop_5_Metodology_migration_en.pdf;

· Manual for functioning of the Unified System for Civil registration and Administrative Service of Population.

Quality documentation

Not available.

Quality management
Quality assurance

Not applicable.

Quality assessment

Not applicable.

Relevance
User needs

Data on migration are presented annually to the Eurostat and others - questionnaires filled in annually.

At national and regional level the main data users are ministries, agencies, national organisations and local authorities.

Data is presented to scientific institutes, universities, NGOs and others based on requests.

User satisfaction

No user' satisfaction surveys are carried out.

Completeness

Population data is available by sex, ages (different groupings) residence (different territorial levels), citizenship and country of birth.

Accuracy and reliability
Overall accuracy

Not applicable.

Sampling error

Not applicable.

Non-sampling error

Not applicable.

Timeliness and punctuality
Timeliness

Data are published up to the end of April in the year following the reference year.

Punctuality

Data is released according to the terms.

Coherence and comparability

Comparability - geographical

Data is collected and processed for the different territorial units using one and the same methodology and definitions.

Comparability - over time

Changes of the methodology and definitions for different time periods are published in the survey methodology.

Coherence - cross domain

Not applicable.

Coherence - internal

Not applicable.

Cost and burden

Not applicable.

Data revision
Data revision - policy

Not applicable.

Data revision - practice

Not applicable.

Statistical processing
Source data

· Source of data on migrants is the Unified System for Civil registration and Administrative Service of Population. Migration is registered through a common USCRASP-CDS document "Change of current address";

· Source of data on permanently staying foreigners is the Register of foreigners, Ministry of Interior;

· Source of data on Bulgarians leaving the country - National Revenue Agency, declaration on refusal of health insurance rights due to absence from the country; National Social Security Institute

Frequency of data collection

· Monthly  for USCRASP data;

· Annually- for NRA, MI and NSSI data.

Data collection

Exhaustively for all migrations registered during the year.

Data validation

Data on demographic events is checked and controlled before to be loaded in the IS Demography.

For successful processing, the initial notification should meet the system rules on validation and control.

The processed results are validated in respect the consistency of a single table and between the tables.

Data compilation

Data is processed by the IS "Demography" according to the rules for validation and control of the demographic events.

Adjustment

Not applicable.

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)

INTERNAL AND INTERNATIONAL MIGRATION - Immigrants, Emigrants, Migration increase, Internal migration and International migration
Contact
Contact organisation

National Statistical Institute

Contact organisation unit

Population and Housing Fund Statistics Department

Contact name

Chrastina Petkova-Tancheva

Contact person function

chief expert

Contact mail address

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

Contact email address

[email protected]

Contact phone number

+359 2 9857 553

Contact fax number
Statistical presentation
Data description

Persons who have changed their usual residence (current address) are surveyed. The registration is done at the moment of migration and the total migration is calculated as of 31.12 of the reference year. Internal migration is the change of usual residence within the country and international - the change of usual residence in Bulgaria with a residence abroad or vice versa. Migration growth of a given country territory is the difference between the immigration to and emigration from the area during the year.

Classification system

· Classification of Territorial Units for Statistical Purposes in Bulgaria (NUTS);

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

· Classification of countries (for the international migration purposes only).

Sector coverage

Data on migration concerns a calendar year and include all persons who have changed their current address within the country, address in the country with an address abroad and address abroad with an address in the country.

Statistical concepts and definitions

Migration growth of a given country territory is the difference between the immigration to and emigration from the area during the year.

Net international migration is the difference between immigration into and emigration from the country.

Statistical unit

Migrated persons

Statistical population

Migrants - total number

Reference area

Regional breakdown of migrants is done according to the country administrative-territorial division as of 31.12 of the reference year - settlements, municipalities, districts and statistical regions.

Time coverage

On the NSI website

· 2010 - 2019 internal migration;

· 2010 - 2019 international migration.

Base period

Not applicable.

Statistical processing
Source data

· Source of data on migrants is the Unified System for Civil registration and Administrative Service of Population. Migration is registered through a common USCRASP-CDS document "Change of current address";

· Source of data on permanently staying foreigners is the Register of foreigners, Ministry of Interior;

· Source of data on Bulgarians leaving the country - National Revenue Agency, declaration on refusal of health insurance rights due to absence from the country; National Social Security Institute

Frequency of data collection

· Monthly  for USCRASP data;

· Annually- for NRA, MI and NSSI data.

Data collection

Exhaustively for all migrations registered during the year.

Data validation

Data on demographic events is checked and controlled before to be loaded in the IS Demography.

For successful processing, the initial notification should meet the system rules on validation and control.

The processed results are validated in respect the consistency of a single table and between the tables.

Data compilation

Data is processed by the IS "Demography" according to the rules for validation and control of the demographic events.

Adjustment

Not applicable.

Quality management
Quality assurance

Not applicable.

Quality assessment

Not applicable.

Relevance
User needs

Data on migration are presented annually to the Eurostat and others - questionnaires filled in annually.

At national and regional level the main data users are ministries, agencies, national organisations and local authorities.

Data is presented to scientific institutes, universities, NGOs and others based on requests.

User satisfaction

No user' satisfaction surveys are carried out.

Completeness

Population data is available by sex, ages (different groupings) residence (different territorial levels), citizenship and country of birth.

Data completeness - rate

100%

Accuracy and reliability
Overall accuracy

Not applicable.

Sampling error

Not applicable.

Sampling errors - indicators

Not applicable

Non-sampling error

Not applicable.

Coverage error

Not applicable

Over-coverage - rate

Not applicable

Common units - proportion

Not applicable

Measurement error

Not applicable

Non response error

Not applicable

Unit non-response - rate

not applicable

Item non-response - rate

Not applicable

Processing error

Not applicable

Imputation - rate

Not applicable

Model assumption error

Not applicable

Seasonal adjustment

Not applicable

Data revision - policy

Not applicable.

Data revision - practice

Not applicable.

Data revision - average size

Not applicable

Timeliness and punctuality
Timeliness

Data are published up to the end of April in the year following the reference year.

Time lag - first results

4 months after the reference year

Time lag - final results

4 months after the reference year

Punctuality

Data is released according to the terms.

Punctuality - delivery and publication

Data is released and published according to the terms

Coherence and comparability

Comparability - geographical

Data is collected and processed for the different territorial units using one and the same methodology and definitions.

Asymmetry for mirror flows statistics - coefficient

Not applicable

Comparability - over time

Changes of the methodology and definitions for different time periods are published in the survey methodology.

Length of comparable time series

2007 onwards

Coherence - cross domain

Not applicable.

Coherence - sub annual and annual statistics

Not applicable

Coherence - National Accounts

Not applicable

Coherence - internal

Not applicable.

Accessibility and clarity
News release

News release "Population and demographic processes".

Publications

· Population and demographic processes;

· Statistical Reference book;

· Statistical Yearbook.

On-line database

Data on migration are available to all users of the NSI website under the heading Population (Demography, Migration and Projections) - Migration: http://www.nsi.bg/en/node/6683

Information System INFOSTAT     Internal migration:  https://infostat.nsi.bg/infostat/pages/module.jsf?x_2=32

International migration:  https://infostat.nsi.bg/infostat/pages/module.jsf?x_2=38

 

 

 

Data tables - consultations
Micro-data access

Anonymised individual data can be provide for scientific and research purposes, and for individual request according to the Rules for the provision of anonymised individual data for scientific and research purposes.

Other

Information service on request, according to the Rules for the dissemination of statistical products and services in NSI.

Metadata - consultations
Documentation on methodology

· Methodology on migration: http://www.nsi.bg/sites/default/files/files/metadata/Pop_5_Metodology_migration_en.pdf;

· Manual for functioning of the Unified System for Civil registration and Administrative Service of Population.

Metadata completeness – rate
Quality documentation

Not available.

Cost and burden

Not applicable.

Confidentiality
Confidentiality - policy

· Law on Statistics

· Regulation (EC) No 223/2009 on European statistics (recital 24 and Article 20(4)) of 11 March 2009 (OJ L 87, p. 164), stipulates the need 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 published in accordance with article 25 of the Law on Statistics. The publishing of individual data can be performed only in accordance with article 26 of 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
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