Establishment of the Statistical Division at the Ministry of Justice (January 21, 1880).

Formation of the Statistical Organizational Division at the Ministry of Finance (June 25, 1880).

The beginning of the population censuses in the Principality of Bulgaria was established with a Law of December 13, 1880.

The first Population census was conducted on January 1, 1881.

Establishment of the Bulgarian Official Statistical Office - the Statistical Division turned into an independent Statistical Office.

Conduction of the first Census of the Civil Servants.

А Law on the Statistics Directorate in the Principality of Bulgaria and a Law on Population Census, Housing and Livestock.

For the first time in Bulgaria, a Census of Land Property was carried out.

A Law on the Statistics Directorate General in the Bulgarian Kingdom.

The publication ‘Monthly Statistical Reviews’ was issued.

Conduction of the first Census in Industry.

Publication of the first ‘Statistical Yearbook of the Kingdom of Bulgaria’

Conduction of the first Household Budgets Survey.

The first General Economic Census was conducted, together with the Population Census during the same year. For the first time in Europe, a sampling method for quick aggregation of the results from the General Agricultural Farms Census was used.

The first specialized journal of the national statistical institution began its publication - ‘Journal of the Statistics Directorate General’, which continues to be published today under the name ‘Statistics’ journal.

An Agricultural survey was carried out, in which a sampling method was used for the first time in the data collection process.

A Law on the Organization of Statistics in Bulgaria - The Statistics Directorate General was transferred to the Council of Ministers and for the first time a network of local statistical bodies was created.

Establishment of the Central Statistical Office at the Council of Ministers as a state authority for managing the statistical activities in the country.

Statistics Act - the National Statistical Institute (NSI) was established.

A Common Declaration of Statistical Cooperation between the National Statistical Institute of the Republic of Bulgaria and the Statistical Office of the European Communities (Eurostat) was signed.

The Statistics Act was developed in accordance with the legislation of the European Union.

Law on the Population, Housing Fund and Agricultural Farms Census in the Republic of Bulgaria - 2001.

The Strategy for the Development of Statistics up to 2006 was developed and adopted by the National Statistical Council for the first time.

Closing the negotiations on Chapter 12 ‘Statistics’ of the negotiation process with the European Union.

A Global Assessment of the National Statistical System was carried out by Eurostat.

Official accession of Bulgaria to the Special Data Dissemination Standard (SDDS) of the International Monetary Fund.

Law on Statistics of Intra-community Trade in Goods.

The Bulgarian statistics was integrated into the European Statistical System.

A Peer review on the implementation of the European Statistics Code of Practice on improving the quality of statistical information and the confidence in statistics.

A Strategy for Development of the National Statistical System of the Republic of Bulgaria for the period 2008 - 2012.

Amendments and supplements to the Statistics Act, which create conditions for the functioning of the National Statistical System in accordance with the new Regulation (EC) No. 223/2009 of the European Parliament and of the Council from March 11, 2009 on European statistics.

Law on the Population and Housing Census in the Republic of Bulgaria - 2011.

The ‘Single Entry Point’ between NSI and NRA for the submission of the Annual Enterprise Activity Reports was created.

For the first time, a President of NSI participated in a governing body of the European statistics. Assoc. Prof. Mariana Kotseva was elected as a member of the ESS Partnership Group.

The UN General Assembly voted on a resolution declaring October 20 as World Statistics Day. Bulgaria is one of the 55 countries co-authoring the resolution. The date will be celebrated every 5 years.

The 17th Population and Housing Census in Bulgaria was carried out. For the first time, the survey was conducted online. 41% of the country's population was counted online.

The complete collections of the ‘Statistical Yearbook of Bulgaria’ for the period 1909 - 2005 and the first publications from the Population Censuses in 1881 and 1885 were published in the Digital Library of the National Statistical Institute.

was declared International Year of Statistics. The National Statistical Institute joined the celebration with various initiatives.

EUROSTAT launched a second round of peer reviews in all EU member states. The peer reviews covered all the principles of the European Statistical Code of Practice.

It was 120 years since the start of the Education Statistics in Bulgaria and 90 years since the first Household Budget Survey - the oldest sample statistical survey in Bulgaria.

Bulgaria became the eleventh country in the world to join the Special Data Dissemination Standard (SDDS) Plus of IMF - the highest international data dissemination standard.

The date 20 October was declared European Statistics Day, which will be celebrated every 2 years.

The Bulgarian Presidency of the Council of the European Union in the field of statistics began. The President of NSI headed the Working Group ‘Statistics’ for 6 months. The National Statistical Institute hosted an informal meeting of the heads of the statistical offices from the European countries.

The European Commission appointed Assoc. Prof. Mariana Kotseva as Director-General of Eurostat. She is the first Bulgarian, but also the first woman, to head the European statistical office.

The first European Statistical Competition for students was held. 527 students from Bulgaria participated in it.

At the annual forum of the statistical offices in New York under the UN auspices, the Open Data Watch report was presented, according to which Bulgarian Statistics was eighth in the world in the open data dissemination.

The 2021 Population Census and Housing Census in the Republic of Bulgaria Act was adopted.

NSI became the first Bulgarian institution to become an associate member of the Organization for Economic Cooperation and Development.

Bulgarian students won second place in the International Statistical Poster Competition, in which over 15 thousand students from 37 countries participated. The ranking was announced during the 62nd World Statistical Congress in Kuala Lumpur, Malaysia.

The new information system for citizens and businesses - Monitorstat - was presented. It monitors the indicators for the implementation of all strategic documents and contains data on European projects from application to control.

Due to COVID-19 pandemic, NSI suspended the surveys performed by interviewers from the beginning of March to mid-May.

A Pilot Population Census was conducted. Due to COVID-19 pandemic, it was conducted only electronically.

The Information System ‘Business Cycles’ was launched. It replaced IS ‘Short-Term Business Statistics’ implemented in 2012.

The National Statistical Institute was coordinator of the Organization for the Black Sea Economic Cooperation (BSEC) in the field of statistics for a period of 2 years.

The 18th Population and Housing Census was launched.

NSI successfully passed an audit and was recertified according to the leading international standards for information security and quality management ISO 27001 and ISO 9001.

The third Peer Review on the National Statistical System of Bulgaria was conducted within the framework of its membership in the European Statistical System.

NSI’s publication ‘Children of Bulgaria’ was presented. The publication was presented at a joint press conference between NSI and UNICEF on the occasion of June 1.

A trade union council was established - an advisory body to the President of NSI. For the first time, a Collective Labour Agreement was signed at NSI.

An Advisory Council to the President of NSI was established with the participation of representatives from the governing bodies of the nationally representative employer organizations.

In March, NSI hosted a second OECD peer review, which concluded with high assessment of the work of the Bulgarian statisticians.

At the end of June, after an official hearing, the Bulgarian statistics became a full member of the Committee on Statistics and Statistical Policy at the Organization for Economic Cooperation and Development.