The principal objective of the household data collection was to obtain a nationally representative household data set that contains detailed information on a variety of characteristics. This allowed a detailed analysis of the standard of living of the Bulgarian population in general and of the poor in particular, since it allowed to link information on income and expenditure to other household characteristics like health and education for example.
Kind of data
Sample survey data [ssd]
Unit of analysis
Producers and sponsors
The World Bank
The sample size was approximately 2,500 households over the whole national territory of Bulgaria, excluding replaced households.
General Census information - Last done in 1992
In Bulgaria there were approximately 40,000 Statistical Sectors (SS). Each one contained approximately 80 households, giving a total of 2.9 million households. The average household size was 3 and the total population was approximately 9 million (8,459,763 at the last count in December 1993).
A fixed number of households (5) was collected in each SS. The number of SS that were selected, were 500 (5*500=2,500). Each cluster was selected with probability proportional to the number of households in each cluster from a subsample of 4,000 available representative clusters.
The general sample methodology had been designed to insure that all the households of different size and in all regions and town had the same probability to be selected. The actual sampling of the households were done in two stages: a) In the first stage the SS were Selected with Probability Proportional to the Size. The listing had been organized in the following order: (i) the list of the 28 regions, (ii) Cities, towns and villages; (iii) each city and town was listed by size; b) In the second stage the households interviewed were selected with Equal Probability, provided that they had been listed according to their size (all households of one person first, all the households of two people second and so on).
Dates of collection
Mode of data collection
To use the data from the Bulgaria 1995 Integrated Household Survey, we ask that you fill in a Data User Agreement. This agreement allows us to inform the statistical institute about the people who are using their data and the types of studies being done by users.
By filling out this form, you not only comply with the agreements reached by all parties in implementing the survey, but also help DECRG substantiate demand for this service. (Evidence of significant demand will strengthen the chances that more LSMS data sets get posted.) In addition to helping DECRG, by filling out this form we can keep you informed about any additional information related to the Bulgaria 1995 Integrated Household Survey and any information related to the posting of LSMS data on the Net.
The form states that downloading the data obligates you to cite the source of the data and to send copies of papers to the LSMS Division of the World Bank. The form also requires you to state your name, address, and intended use of the data. Once you have submitted the form, you will be sent to a page containing links to the data files. If your browser doesn't support forms (or fails to forward you to the data page upon completing the form), contact LSMS and you will receive instructions on how to progress to the page with the data files.