Investment activity in industry - March (NACE Rev. 2)

(Per cent)
Name of indicators  
Expected growth of investments in industry (current year compared to the previous year) -15.5
Distribution of expected investments (current year, by main industrial groupings):  
 - Production of durable goods 2.9
 - Production of non-durable goods 15.8
 - Energy and water-related industries 31.1
 - Production of intermediate goods 38.2
 - Production of investment goods (including manufacture of motor vehicles, trailers and semi-trailers) 11.7
 - Others 0.3
Investment activity in industry
Contact organisation

National Statistical Institute

Contact organisation unit

Statistics on Tourism and Business surveys Department

Contact name

Mariya Gergova

Contact person function

Head of department

Contact mail address

2, P. Volov Str., 1038 Sofia, Bulgaria

Contact email address

[email protected]

Contact phone number

+359 2 9857 529

Contact fax number
Metadata update
Metadata last certified16 July 2020
Metadata last posted16 July 2020
Metadata last update16 July 2020
Statistical presentation
Data description

The survey gathers information from managers about the carried out investment and investment plans of the enterprises. The inquiry is conducted twice a year - in March and in October, and the questionnaires have different content. The March survey gathers information about the investment during the current year and previous two years, while the October survey - about the investment in the previous, present and next year, and the influence of definite factors on the investment over the present and next year.

Classification system
  • Classification of Economic Activities (CEA-2008);
  • Main industrial groupings;
Sector coverage

The survey covers enterprises in the industrial sector.

Statistical concepts and definitions

Based on data received from March survey is calculated the expected percentage change of the investment carried out during the current year in comparison with the investment from the previous year. Based on results from October survey - the percentage change of the investment carried out during the current year compared to the previous year, and also the expected investment for the next year compared to the current year.

Statistical unit

The observed unit is enterprise.

Statistical population

About 3900 enterprises are surveyed.

Reference area

At national level: total for the territory of Republic of Bulgaria.

At European level: General for Economic and Financial affairs Directorate publishes for the EU member states, Euro area and EU candidate countries.

Time coverage

The time series of data are published from 2003 (at Information System INFOSTAT of the National Statistical Institute).

Base period

Not applicable.

Unit of measure

Balance and percentage.

Reference period


Institutional mandate
Legal acts and other agreements
  • Joint harmonised EU programme of business and consumer surveys;
  • Manual to the Joint harmonised EU programme of business and consumer surveys;
  • Law on statistics;
  • National Statistical Program;
Data sharing

The indicators are provided to EC, DG "Economic and Financial affairs", according to concluded agreement.

Confidentiality - policy

The confidentiality of the individual data of the respondents in the survey "Investment activity in industry" is guaranteed by:

  • Law on Statistics:;
  • Regulation (EC) No 223/2009 on European statistics (recital 24 and Article 20(4)) of 11 March 2009 (OJ L 87, p. 164). The regulation stipulates the need to establish common principles and guidelines ensuring the confidentiality of data used for the production of European statistics and the access to those confidential data with due *account for technical developments and the requirements of users in a democratic society. 

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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 (

Release policy
Release calendar

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 two weeks after the reference period.

Release calendar access

The calendar is available on the NSI website:

User access

Data for the investment activity in industry are published on the NSI website, according to the Chapter 5 of the Law on Statistics and European Statistics Code of Practice, considering professional independence and with aim of impartiality and transparency, where all users are treated equal:

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
News release

NSI publishes regular press releases "Investment activity in industry"  in the first two weeks after the reference period.


Analytical publication "Bulgaria 2011 - statistical panorama".

On-line database

The results from the investment activity in industry are available in the information system for online requests for statistical information - INFOSTAT.: Topic "Business Statistics", Subtopic "Business Surveys":

Micro-data access

Not applicable.


Information services on request, according to the Rules for dissemination of statistical products and services by the NSI

Documentation on methodology

Manual to the Joint harmonised EU programme of business and consumer surveys.

Quality documentation

Not applicable.

Quality management
Quality assurance

The applied statistical practice of providing data is according to the harmonized European Union programme for business surveys.

Quality assessment

Is performed according to the standard criteria for quality assessment - applicability, accuracy and reliability, timeliness, comparability and coherence. 

User needs

Main users of the data are Government institutions, scientific institutions and other users from the country, the European Commission, and other international organizations.

User satisfaction

The users' satisfaction survey is not carried out.


The survey "Investment activity in industry" covers all required variables, according to the Joint harmonised European Union programme.


Accuracy and reliability
Overall accuracy

In sample surveys may be mistakes in the registration of answers, processing, and others.

Sampling error
Non-sampling error
Timeliness and punctuality

The NSI presents information about business surveys in the first two weeks after the reference period.


The data are disseminated according to the planned schedule.

Coherence and comparability
Comparability - geographical

The data received at national level are comparable between different countries carrying out business surveys according to Joint harmonised EU programme.

Comparability - over time

The time series data are comparable in time.

Coherence - cross domain

Not applicable.

Coherence - internal

Not applicable.

Cost and burden

In order alleviate the business in submitting statistical data, reducing the respondents' burden and improve the quality of data in statistical surveys since October 2012 "Business survey of investment activity in industry" are conducted through web-based questionnaires.

Data revision
Data revision - policy

Not applicable.

Data revision - practice

Not applicable.

Statistical processing
Source data

Main data source are questionnaires.

Frequency of data collection


Data collection

Methods of data collection:

  • Through the web application and in order to reduce the degree of non-response is provided sending informational and reminder letters;
  • Printed form is sent to the respondents by email or postal mail, and then they collect from RSOs that shall introduce the information in the application.
Data validation

Data validation is done on two levels:

  • Stage one: validation of the data in the process of entering data from the questionnaires. The information is entered through a specially developed software product, in who logical and arithmetic controls are set, which show possible discrepancies and incorrect values of the variables.
  • Stage two: once the data are entered, in HO of the NSI they are subjected to additional validation procedures.
Data compilation

The data processing is performed by developed application software.


Not applicable.

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