National Statistical Institute
|Contact organisation unit|
Statistics on Tourism and Business surveys Department
|Contact person function|
|Contact mail address|
2, P. Volov Str., 1038 Sofia, Bulgaria
|Contact email address|
|Contact phone number|
+359 2 9857 628
|Contact fax number|
|Metadata last certified||26 January 2022|
|Metadata last posted||26 January 2022|
|Metadata last update||26 January 2022|
The consumer survey contains standardized questions about the financial situation of households, general economic situation in the country, inflation, unemployment, saving, intentions of making major purchases on durable goods or purchasing/building a home or buying a car. The proposed options of answers give an opportunity to arrange them from optimistic, through neutral to pessimistic. The survey results are used to capture the direction of change of observed variables incl. "the consumer confidence level", which gives an opportunity to analyze the tendencies in the development of public opinions on significant economic phenomena in the country.
Respondents are categorized by 5 criteria: income, economic activity, education, age and gender.
The object of the survey are the persons aged 18 and over in Republic of Bulgsria. The sample method is random, clustered, and proportional to the population by regions, incl. urban/rural inhabitants.
|Statistical concepts and definitions|
The consumer confidence indicator is an arithmetic mean of the balances of the expectations about the development over the next 12 months of the: financial situation of households, general economic situation in the country, savings and unemployment, as the last is taken with a negative sign.
The proposed answer options are presented in a five-point category scale. The obtained results are in the form of balances, which are calculated as the difference between the relative shares of positive and the relative shares of negative opinions with the following feature: strongly positive and strongly negative opinion is given coefficient 1, and for the more moderately positive and more moderately negative opinions - coefficient 0.5.
Units of observation are households and their members.
Reference population of the survey - the permanent population of the Republic of Bulgaria aged 18 years and more.
Total for the territory of Republic of Bulgaria.
Time series of data are published from 2001 (at Information System INFOSTAT of the National Statistical Institute).
|Unit of measure|
Balance and percentage.
|Legal acts and other agreements|
The indicators are provided to state institutions in accordance with the requirements of concluded agreements.
|Confidentiality - policy|
The confidentiality of the individual data of interviewed persons in the consumer survey is guaranteed by:
|Confidentiality - data treatment|
Individual data from the survey are not published in accordance with article 25 of the Law on Statistics. The publishing of individual data can be performed only in accordance with article 26 of the Law on Statistics and Rules for provision of anonymized individual data for scientific and research purposes (https://www.nsi.bg/bg/node/575).
The date of publication of statistical information is indicated in the Release Calendar presenting the results of the statistical surveys carried out by the National Statistical Institute. The data are announced in the first week after the reference period.
|Release calendar access|
The calendar is available on the NSI website: https://www.nsi.bg/en/node/488
Consumer surveys data are published on the NSI website, section "Business Statistics" - "Business Surveys" in accordance with the Law on Statistics (Chapter 5) and the European Statistics Code of Practice respecting the professional independence and aimed at objectivity, transparency and equal treatment of all consumers.
The access to the results of the statistical surveys of all users and equality of their rights are regulated in the Rules for dissemination of statistical products and services of the National Statistical Institute.
|Frequency of dissemination|
|Accessibility and clarity|
NSI publishes regular press releases "Consumer survey" in the first week after the reference period.
Analytical publication "Bulgaria 2011 - statistical panorama".
Quarterly Consumer survey results are available in the informational system for online statistical queries INFOSTAT: Topic "Business Statistics", Subtopics "Business Surveys": https://infostat.nsi.bg/infostat/pages/module.jsf?x_2=33.
Information services on request, according to the Rules for dissemination of statistical products and services by the NSI https://www.nsi.bg/bg/node/564/.
|Documentation on methodology|
Manual to the Joint harmonized EU programme of business and consumer surveys.
The applied statistical practice of providing data is according to the harmonized European Union programme for business and consumer surveys.
It is performed according to the standard criteria for quality assessment - applicability, accuracy and reliability, timeliness, comparability and coherence.
Main users of the data are national and international organizations and institutions.
The users' satisfaction survey is not carried out.
Consumer survey in the Republic of Bulgaria covers all mandatory variables, according to the general harmonized program of the European Union.
|Accuracy and reliability|
The sample used for the survey is two-stage cluster sample The sample size is 1232 persons aged 18 years and over for each quarter. Due to the sampling approach used in the survey, results are subject of errors which attributable to sample, as well as other errors relating to the inability to be interviewed some of the units in the sample, error in registration of responses, processing, and others.
The survey is a sample and calculates the coefficient of variation, standard error or confidence interval.
Like any statistical survey and consumer survey may contain non-sampling errors that arise at different stages of the study.
Such errors are basically:
In order to reduce non-sampling errors:
|Timeliness and punctuality|
The NSI presents information about survey in the first week after the reference period.
The data are disseminated according to the planned schedule.
|Coherence and comparability|
|Comparability - geographical|
The data are prepared at national level.
|Comparability - over time|
The data in the time series are comparable over time.
|Coherence - cross domain|
|Coherence - internal|
|Cost and burden|
1. Coordination between all departments and directorates in NSI about the participation of the respondents in other household surveys.
2. The questionnaire is structured so that to make it as easy as possible the respondents to complete it.
3. The average duration of the interview is about 10 minutes per respondent.
|Data revision - policy|
|Data revision - practice|
Main data source are questionnaires.
|Frequency of data collection|
The data are collected using a questionnaire by conducting a personal interview with the persons included in the sample.
Data validation is performed at two levels:
The data processing is performed by developed application software.
Download in SDMX 2.1 file format: Consumer survey
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Download in SDMX 2.0 file format: Consumer survey
Metadata Structure Definition in SDMX 2.0: ESMS_MSD+BNSI+2.0+SDMX.2.0.xml