Trips of Bulgarian residents abroad and arrivals of visitors from abroad to Bulgaria | Contact |
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| Contact organisation | National Statistical Institute |
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| Contact organisation unit | "Statistics of Tourism and Business Surveys" Department |
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| Contact name | Tsvetana Mitkova, Emil Stanchev, Boris Bonev |
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| Contact person function | State Expert, Chief Expert, Chief Expert |
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| Contact mail address | 2, P. Volov Str., 1038 Sofia, Bulgaria |
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| Contact email address | [email protected] [email protected] [email protected] |
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| Contact phone number | +359 2 9857 142 +359 2 9857 261 +359 2 9857 681 |
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| Contact fax number | |
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| Metadata update |
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| Metadata last certified | 12 June 2026 |
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| Metadata last posted | 12 June 2026 |
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| Metadata last update | 12 June 2026 |
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| Statistical presentation |
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| Data description | Trips of Bulgarian residents abroad by purpose of trip and by country; visits of foreign citizens to Bulgaria by purpose of trip and by country. |
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| Classification system | Nomenclature of the countries and territories by statistical purposes. |
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| Sector coverage | The survey covers foreign citizens aged 15 years and over visiting Bulgaria by country, by month and by purpose of visit, and Bulgarian citizens aged 15 years and over travelling abroad by month and by purpose of trip. |
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| Statistical concepts and definitions | An international tourist is any visitor arriving in a country other than the country of his/her usual residence for a period not exceeding one year and whose main purpose is other than carrying out an activity remunerated from within the place visited. The purposes of visiting a country are the following: - excursion, holiday or recreation (visits to cultural or historical sites, sports events and others);
- visits to relatives or friends;
- business purposes (business trips, conferences, congresses and symposia, etc.);
- other purposes of visit.
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| Statistical unit | Trip/visit made by a Bulgarian or foreign citizen. |
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| Statistical population | Bulgarian and foreign citizens who made an international trip from or to the Republic of Bulgaria during the reference month. |
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| Reference area | For trips of Bulgarian citizens – countries/destinations abroad; for visits of foreign citizens – the territory of the Republic of Bulgaria. |
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| Time coverage | From January 2008 to the last reference month of the current year. |
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| Base period | 2008 |
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| Unit of measure |
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Number |
| Reference period |
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Monthly, Annually |
| Institutional mandate |
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| Legal acts and other agreements | - Gentlemen’s agreement with the World Tourism Organization.
- Regulation (EU) No 692/2011 of the European Parliament and of the Council concerning European statistics on tourism;
- Regulation (EC) No 223/2009 on European statistics;
- Statistics Act;
- National Statistical Programme for the respective year;
- Agreements/administrative exchange of data with the Ministry of Interior, Civil Aviation Administration, Road Infrastructure Agency and other competent institutions;
- Methodological recommendations of the World Tourism Organization.
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| Data sharing | Individual data are not provided for public use. |
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| Confidentiality |
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| Confidentiality - policy | - Statistics Act: https://www.nsi.bg/en/documents/detail/1
- Regulation (EC) No 223/2009 on European statistics (recital 24 and Article 20(4)) of 11 March 2009 (OJ L 87, p. 164), provides for common principles and guidelines ensuring the confidentiality of data used for the production of European statistics and access to confidential data, taking into account technical developments and user requirements in a democratic society. Regulation - 223/2009 - EN - EUR-Lex
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| Confidentiality - data treatment | Individual data are not published (suppressed), in compliance with Article 25 of the Statistics Act. |
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| Release policy |
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| Release calendar | The dates for publication of statistical information are specified in the NSI Release Calendar. |
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| Release calendar access | The calendar is available on the NSI website: https://www.nsi.bg/en/calendar |
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| User access | Data are published on the NSI website in the Tourism section - „Trips of Bulgarian Residents Abroad and Visits of Foreign Citizens to Bulgaria“, in accordance with the Statistics Act and the European Statistics Code of Practice, ensuring professional independence, objectivity, transparency and equal access for users. |
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| Frequency of dissemination |
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Monthly. |
| Accessibility and clarity |
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| News release | Monthly. |
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| Publications | - Statistical Reference Book;
- Statistical Yearbook;
- Brochure "Bulgaria"
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| On-line database | Monthly and annual results from the Survey on trips of Bulgarian residents abroad and visits of foreign citizens to Bulgaria are available in the INFOSTAT online statistical information system under the topic Business Statistics, subtopic Tourism: https://www.nsi.bg/en/infostat. |
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| Micro-data access | Micro data are not disseminated. |
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| Other | Not applicable. |
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| Documentation on methodology | Methodology of the survey „Trips of Bulgarian Residents Abroad and Visits of Foreign Citizens to Bulgaria“ in relation to the accession of the Republic of Bulgaria to the Schengen Area. |
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| Quality documentation | Not available. |
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| Quality management |
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| Quality assurance | Quality control and quality assurance procedures are applied at all stages of the statistical process. |
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| Quality assessment | The quality of statistical information is assessed through analysis of consistency, comparability and stability of the results over time and between the different data sources. The quality and stability of the results for land routes without border control also depend on the completeness, regularity and technical reliability of the administrative data provided by the Road Infrastructure Agency. |
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| Relevance |
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| User needs | Users include the Council of Ministers, Ministry of Tourism, Bulgarian National Bank, regional and municipal administrations, tourism organizations, research institutions, international organizations and others. |
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| User satisfaction | No user satisfaction survey has been conducted. |
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| Completeness | The data meet the completeness requirements according to the recommendations of the World Tourism Organization. |
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| Accuracy and reliability |
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| Overall accuracy | The accuracy of the results is supported through the use of integrated administrative and statistical sources, as well as validation, weighting and calibration procedures. |
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| Sampling error | The results represent statistical estimates derived from a sample survey and are accompanied by stochastic error. |
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| Non-sampling error | Possible non-sampling errors are limited through validation procedures, logical checks, editing and calibration of the data. |
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| Timeliness and punctuality |
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| Timeliness | Data are published monthly according to the NSI Release Calendar. |
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| Punctuality | The publication dates are observed. |
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| Coherence and comparability |
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| Comparability - geographical | Not applicable. |
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| Comparability - over time | Data are comparable over time under a unified methodological framework. When changes occur in sources, scope or methods, they are documented and, where necessary, calibration, historical data and other statistical approaches are applied to preserve comparability. |
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| Coherence - cross domain | The data are developed in accordance with the applicable statistical definitions and classifications. |
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| Coherence - internal | Internal coherence is ensured through integrated data processing and consistency checks between the administrative and statistical sources used. |
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| Cost and burden |
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Not applicable. |
| Data revision |
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| Data revision - policy | Not applicable. |
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| Data revision - practice | Not applicable. |
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| Statistical processing |
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| Source data | - Ministry of Interior (MoI);
- General Directorate "Civil Aviation Administration" (CAA);
- "Bulgarian State Railways" (BDZ);
- Road Infrastructure Agency, National Toll Administration (RIA);
- NSI sample statistical survey using standardized questionnaires.
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| Frequency of data collection | Monthly |
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| Data collection | The data on the number and structure of trips are compiled through the integrated use of administrative and statistical sources, including information from the Ministry of Interior, Civil Aviation Administration, Bulgarian State Railways, Road Infrastructure Agency and a monthly sample statistical survey. |
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| Data validation | Logical checks, consistency checks and comparability checks are applied between the different sources and over time. |
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| Data compilation | Processing includes: - separate standardization of data by source, aggregation by period, destination, direction, mode of transport, country of registration/citizenship and purpose;
- deduplication of RIA data through elimination of repeated detections of the same vehicles within a short time interval and overlapping cameras;
- identification and exclusion of non-tourist (regularly crossing) vehicles and accounting for transit traffic;
- conversion of the number of vehicles into number of persons through the application of the relevant coefficients;
- coding of free-text responses;
- editing where necessary;
- imputation of missing values through Historical Imputation and Hot-deck Imputation;
- weighting, calibration and production of final statistical estimates;
- Data processing and integration are carried out in a specialized software environment enabling automated application of validation, deduplication, imputation and calibration algorithms.
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| Adjustment | No seasonal adjustment is applied. |
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| Comment |
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