Reference metadata describe statistical concepts and methodologies used for the collection and generation of data. They provide information on data quality and, since they are strongly content-oriented, assist users in interpreting the data. Reference metadata, unlike structural metadata, can be decoupled from the data.
Ministry of Interior - Migration Directorate, Bulgaria
National Statistical Institute of Bulgaria
1.2. Contact organisation unit
Population and Housing Fund Statistics Department
National Statistical Institute of Bulgaria
1.3. Contact name
Confidential because of GDPR
1.4. Contact person function
Confidential because of GDPR
1.5. Contact mail address
2, P. Volov, Sofia, Bulgaria
1.6. Contact email address
Confidential because of GDPR
1.7. Contact phone number
Confidential because of GDPR
1.8. Contact fax number
Confidential because of GDPR
2.1. Metadata last certified
21 February 2025
2.2. Metadata last posted
21 February 2025
2.3. Metadata last update
21 March 2025
3.1. Data description
Enforcement of immigration legislation data (EIL statistics) contain statistical information based on Article 5 and 7 of the Regulation (EC) No 862/2007 as amended by the Regulation (EU) 2020/851 with reference to third-country nationals:
refused entry at the external border,
found to be illegally present,
ordered to leave,
returned following an order to leave.
3.2. Classification system
See table 3.2. in annex ‘Quality report tables EIL 2024’.
3.3. Coverage - sector
Migration and asylum – Enforcement of Immigration Legislation statistics.
3.4. Statistical concepts and definitions
See table 3.4. in annex ‘Quality report tables EIL 2024’.
3.5. Statistical unit
Number of persons
3.6. Statistical population
See table 3.6. in annex ‘Quality report tables EIL 2024’.
3.7. Reference area
Bulgaria
3.8. Coverage - Time
Data are available from 2008 onward.
3.9. Base period
Not applicable.
Number of persons.
Calendar quarter and calendar year.
6.1. Institutional Mandate - legal acts and other agreements
The compilation of statistics on enforcement of immigration legislation is based on Article 5 and 7 of Council Regulation (EC) No 862/2007 as amended by the Regulation 2020/851 which depicts in details the data provisions Member States are bound to supply Eurostat with.
6.2. Institutional Mandate - data sharing
Not applicable.
7.1. Confidentiality - policy
Law on Statistics of Bulgaria, art.25.
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.
7.2. Confidentiality - data treatment
Not applicable.
8.1. Release calendar
The dissemination of the annual statistics is mainly in March of each year for the previous reference year, depending on the data availability. The dissemination of the quarterly data is mainly in March, June, September and December, of each year for the previous reference quarter, depending on the data availability.
8.2. Release calendar access
Not applicable.
8.3. Release policy - user access
The main user of EIL statistics is Eurostat.
Annual and quarterly data.
10.1. Dissemination format - News release
Not applicable.
10.2. Dissemination format - Publications
Not applicable.
10.3. Dissemination format - online database
Not applicable.
10.3.1. Data tables - consultations
Not applicable.
10.4. Dissemination format - microdata access
Not applicable.
10.5. Dissemination format - other
Not applicable.
10.5.1. Metadata - consultations
Not applicable.
10.6. Documentation on methodology
TECHNICAL GUIDELINES FOR THE DATA COLLECTION UNDER ARTICLE 5 AND 7 OF REGULATION.
10.6.1. Metadata completeness - rate
Not applicable.
10.7. Quality management - documentation
Not available.
11.1. Quality assurance
Not applicable.
11.2. Quality management - assessment
Not applicable.
12.1. Relevance - User Needs
The main users of EIL statistics are Eurostat, DG Home Affairs.
12.2. Relevance - User Satisfaction
Not available.
12.3. Completeness
See table 12.3. in annex ‘Quality report tables EIL 2024’.
12.3.1. Data completeness - rate
Not applicable.
13.1. Accuracy - overall
Not applicable.
13.2. Sampling error
Not applicable.
13.2.1. Sampling error - indicators
Not applicable.
13.3. Non-sampling error
Not applicable.
13.3.1. Coverage error
See table 13.3.1. in annex ‘Quality report tables EIL 2024’.
13.3.1.1. Over-coverage - rate
Not applicable.
13.3.1.2. Common units - proportion
Not applicable.
13.3.2. Measurement error
Not applicabe.
13.3.3. Non response error
Not applicable.
13.3.3.1. Unit non-response - rate
Not applicable.
13.3.3.2. Item non-response - rate
Not applicable.
13.3.4. Processing error
Not applicable.
13.3.5. Model assumption error
Not applicable.
14.1. Timeliness
For quarterly statistics:data is supplied to Eurostat no later than 2 months after the end of the reference period;
For annual data collection: data is supplied to Eurostat no later than 3 months after the end of the reference period.
14.1.1. Time lag - first result
Not Applicable.
14.1.2. Time lag - final result
Not applicable.
14.2. Punctuality
See table 14.2. in annex ‘Quality report tables EIL 2024’.
14.2.1. Punctuality - delivery and publication
Not applicable.
15.1. Comparability - geographical
Data are provided respecting the EIL Technical Guidelines.
15.1.1. Asymmetry for mirror flow statistics - coefficient
Not applicable.
15.2. Comparability - over time
See table 15.2. in annex ‘Quality report tables EIL 2024’.
15.2.1. Length of comparable time series
Not applicable.
15.3. Coherence - cross domain
See table 15.3. in annex ‘Quality report tables EIL 2024’.
15.3.1. Coherence - sub annual and annual statistics
Not applicable.
15.3.2. Coherence - National Accounts
Not applicable.
15.4. Coherence - internal
Not applicable.
Not applicable.
17.1. Data revision - policy
Not applicable.
17.2. Data revision - practice
See table 17.2. in annex ‘Quality report tables EIL 2024’.
17.2.1. Data revision - average size
Not applicable.
18.1. Source data
See table 18.1. in annex ‘Quality report tables EIL 2024’.
18.2. Frequency of data collection
Annual and quarterly.
18.3. Data collection
Data suppliers are Border Police General Directorate and Migration Directorate in the within Ministry of Interior.
18.4. Data validation
Data on events is checked and controlled. The processed results are validated in respect the consistency of a single table and between the tables.
18.5. Data compilation
Data is processed according to the rules for validation and control of the events.
Enforcement of immigration legislation data (EIL statistics) contain statistical information based on Article 5 and 7 of the Regulation (EC) No 862/2007 as amended by the Regulation (EU) 2020/851 with reference to third-country nationals:
refused entry at the external border,
found to be illegally present,
ordered to leave,
returned following an order to leave.
21 March 2025
See table 3.4. in annex ‘Quality report tables EIL 2024’.
Number of persons
See table 3.6. in annex ‘Quality report tables EIL 2024’.
Bulgaria
Calendar quarter and calendar year.
Not applicable.
Number of persons.
Data is processed according to the rules for validation and control of the events.
See table 18.1. in annex ‘Quality report tables EIL 2024’.
Annual and quarterly data.
For quarterly statistics:data is supplied to Eurostat no later than 2 months after the end of the reference period;
For annual data collection: data is supplied to Eurostat no later than 3 months after the end of the reference period.
Data are provided respecting the EIL Technical Guidelines.
See table 15.2. in annex ‘Quality report tables EIL 2024’.
