DDI_BGR_2011_PHC_v01_M_WB Development Data Group 2014-03-12 NADA Version 01 (March 2014) Population and Housing Census 2011 PHC 2011 BGR_2011_PHC_v01_M National Statistical Institute NADA National Statistical Institute Population and Housing Census [hh/popcen] The Bulgaria Population, Housing and Agricultural Holding Census 2001 is the 17th Population and Housing Census in the demographic history of Bulgaria was conducted from 1st until 28th February 2011. For the first time Bulgaria has conducted a census as a Member state of the European Union, complying the requirements of the Regulation (EC) No 763/2008 of the European Parliament and of Council on population and housing censuses, as well as the related European regulations on technical format and data quality. Bulgaria National - Individuals; - Households. Census/enumeration data [cen] The scope of the Population and Housing Census 2011 includes: 1. Population - number and territorial distribution 2. Population structure by sex and age 3. Citizenship 4. Ethno-demographic characteristics of the population 5. Legal and de-facto marital status 6. Educational structure of the population 7. Economic activity of the population 8. Migration of the population 9. Housing conditions – type of dwelling, average number of inhabitants, average area 10. Housing characteristics and availability of durables National Statistical Institute Face-to-face [f2f] The Regional Statistical Offices, within 50 days only, have entered nearly 4,200,000 questionnaires on population, 2,774,373 questionnaires on dwellings and 2,105,000 questionnaires on buildings. Each day on average 84,000 questionnaires on population, 55,490 questionnaires on dwellings and 42 100 questionnaires on building are entered. The Population Census is conducted applying two methods for collecting of the information: - electronic (1 - 9 February 2011) - on-line by Internet, and - traditional (10 - 28 February 2011) The on-line census is conducted for the first time in Bulgaria. It is accepted with a great interest and exceptionally high activity is registered. The persons enumerated by Internet represent 41% of the population, as this percentage in Sofia reached 66%, in Varna - 51%, in Plovdiv - 41%. With the assistance and the active participation of all census bodies – the Central Census Commission, district and municipal census commissions, enumerators and supervisors and the Regional Statistical Offices, the Census in the country took place in a calm environment. A key factor for the success was that the census was turned into a state assignment of a first priority, which was cordially accepted and engaged central and local administrations, non-governmental organizations, academic community, media and all Bulgarian citizens. The massive information campaign and the wide and detailed reporting in the media at each census stage were of great importance. The traditional census is conducted with the help of 46 000 enumerators and supervisors. Data entered from paper questionnaires is combined with the electronic data, followed by procedures for control of the quality and data coverage. The control included the removal of double enumerated persons, incorrect reference of a particular category or settlements, incorrect unique civil numbers, data entry mistakes, etc. In compliance with Regulation (EU) No 1151/2010 implementing Regulation (EC) No 763/2008 of the European Parliament and of the Council on population and housing censuses, as regards the modalities and structure of the quality report and the technical format for data transmission, the information from administrative sources is used. The estimates of the population not covered by the census are done in compliance with the statistical methodology and concern the definition of the population categories used during the census. As regards the coverage, the results are analyzed in comparison with other statistical sources - Information System “Demography”, data from administrative sources on students and pupils, insured persons, beneficiaries of pensions and others. In parallel, a procedure for clarification and correction of incorrect unique civil numbers and finding missing unique civil numbers using the Information System “Demography” and other administrative sources is elaborated. These procedures are done at the NSI and the corrections are made for each separate case. National Statistical Institute Use of the dataset must be acknowledged using a citation which would include: - the Identification of the Primary Investigator - the title of the survey (including country, acronym and year of implementation) - the survey reference number - the source and date of download The user of the data acknowledges that the original collector of the data, the authorized distributor of the data, and the relevant funding agency bear no responsibility for use of the data or for interpretations or inferences based upon such uses.