Individuals regularly using the Internet


Time series: ICT_HH_1.1.4_en.xls

INDIVIDUALS REGULARLY USING THE INTERNET (EVERY DAY OR AT LEAST ONCE A WEEK)
(Per cent)
  2018
Total 63.6
By statistical region
Severozapaden 58.3
Severen tsentralen 61.7
Severoiztochen 66.3
Yugoiztochen 60.7
Yugozapaden 69.2
Yuzhen tsentralen 59.4
By sex
Male 64.9
Female 62.4
By educational attainment level
Basic education or lower 37.7
Upper secondary education 64.6
Tertiary education 89.6
By age
16-24 92.2
25-34 86.9
35-44 80.4
45-54 65.7
55-64 45.2
65-74 17.8
By activity
Active
Employed 80.8
Unemployed 45.1
Inactive
Students 98.6
Other inactive 28.1

Note: The persentage is calculated on the basis of total population of individuals aged between 16 and 74 years.
07.12.2018


Euro-SDMX Metadata Structure (ESMS)

ICT usage in households and by individuals
Contact
Contact organisation

National Statistical Institute

Contact organisation unit

'Science, innovation and information society statistics' 

Contact name

Maia Papazova

Contact person function

State expert

Contact mail address

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

Contact email address

mpapazova@nsi.bg

Contact phone number

+359 2 9857 733

Contact fax number
Metadata update
Metadata last certified07 December 2018
Metadata last posted07 December 2018
Metadata last update07 December 2018
Statistical presentation
Data description

The data on ICT usage in households and by individuals are based on an annual sample survey which is part of the European Community Statistical Programme. The methodology and the statistical tools are completely harmonized to Eurostat requirements and Regulation No.808/2004 of the European Parliament and the Council. The aim of the survey is to collect and disseminate reliable and comparable information on the use of Information and Communication Technologies in households at European level and covers the following subjects:

  • access to and use of ICT systems by individuals and/or in households;
  • use of internet for different purposes by individuals and/or in households;
  • ICT security;
  • ICT competence;
  • e-Commerce;
  • barriers to use of ICT and the internet;
  • perceived effects of ICT usage on individuals and/or in households.
Classification system

· National Classification of Occupations and Duties-2005 (NCOD-2005) - until 2010;

· National Classification of Occupations and Duties-2011 (NCOD-2011) - since 1 January 2011;

· International Standard Classification of Education, 1997 version (ISCED '97) - until 2013;

· International Standard Classification of Education, 2011 version (ISCED 2011) - since 2014;

· Classification of territorial units for statistical purposes in Bulgaria (NUTS).

Sector coverage

The survey on ICT usage in households covers regular households which have at least one member aged between 16 and 74 years from different regions in Bulgaria and all their members aged between 16 and 74 years. The sample size for each year is about 5000 households which are randomly selected.

Statistical concepts and definitions

Household is two or more persons, living in one dwelling or part of dwelling, sharing common budget and eating together. Household is also a person, living in one dwelling, room or part of it, who has a separate budget for the cost of meals and expenses to satisfy other needs.

A computer is a desktop, laptop, netbook or tablet computer. The following devices should not be considered as computers: Smart phones, PDA with mobile phone facilities, games consoles, media players or e-book readers.

The fixed broadband connection to the internet includes ADSL, SDSL, VDSL, fiber optics technology (FTTP), cable technology, etc.

mobile connection to the internet means the usage of portable devices connecting to the internet through mobile telephone networks for business purposes.
 
e-Commerce is the sale or purchase of goods or services conducted over computer networks by methods specifically designed for the purpose of receiving or placing of orders. The payment and the delivery of the goods or services do not have to be conducted online. e-Commerce transactions exclude orders made by manually typed e-mail messages.

 

Statistical unit

Households and individuals

Statistical population

The population of households consists of all private households having at least one member in the age group 16 to 74 years (households in which all members are aged under 16 and over 74 and institutional (collective) households are excluded). The population of individuals consists of all individuals aged 16 to 74.

Reference area

Households located in any part of the territory of the country.

Time coverage

Annual time series are available from 2004 onwards. The contents of the model questionnaire is adapted each year to measure the development of the use of ICT. Therefore not all variables have long time series.

Base period

Not applicable.

Unit of measure

Number and per cent.

Reference period
Data refer to the following periods:
Last three months before the survey;
Last 12 months before the survey;
Current situation at survey period.
 
Institutional mandate
Legal acts and other agreements

· Regulation (EC) No 808/2004 of the European Parliament and of the Council;

· i2010 Lisbon strategy;

· National Programme for Accelerated Information Society Development in Republic of Bulgaria (2008 - 2010).

Data sharing

Not applicable.

Confidentiality
Confidentiality - policy

· 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), 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.

Confidentiality - data treatment

In compliance to the Law on Statistics (Articles 25 and 26).

Release policy
Release calendar

In accordance to the dates defined in the Release Calendar presenting the results of the statistical surveys carried out by the National Statistical Institute.

Release calendar access

The calendar is available on the NSI website: http://www.nsi.bg/en/node/480

User access

In accordance to the Rules for Dissemination of Statistical Products and Services.

Frequency of dissemination

Annual

Accessibility and clarity
News release

Regular press release in the NSI's website.

Publications

· Statistical Yearbook;

· Statistical Reference Book;

· Statistical Panorama - Bulgaria;

· Publication 'Sustainable development of Bulgaria.

On-line database

Data on ICT usage in households and by individuals are available to all users of the NSI website under the heading Information Society.

Micro-data access

In accordance to the Rules on Provision of the Anonymised Individual Data for Scientific and Research purposes.

Other

Information services by order in accordance to the Rules for Dissemination of Statistical Products and Services.

Documentation on methodology

Methodological manual for statistics on the Information Society, by Eurostat.

Quality documentation

Quality reports comprising general methodological information of the survey, on statistical unit, population, sampling design, response and non-response, data processing and sampling errors.

Quality management
Quality assurance

The Methodological Manual provides guidelines and standards for the implementation of the survey.

Quality assessment

The national quality report provides users with basic information on quality at national level.

Relevance
User needs

Тhe data collected are used in the context of the 2011 - 2015 benchmarking framework for the Digital Agenda Scoreboard, Europe's strategy for a flourishing digital economy by 2020, as well as at national level by the Ministry of Transport, Information Technology and Communications for evaluation of the indicators of 'Digital Bulgaria 2015' programme and by other users.

User satisfaction

Not available.

Completeness

Complete data on the ICT usage in households are available according to Regulation (EC) No 808/2004.

Accuracy and reliability
Overall accuracy

The sample used for the ICT usage in households and by individuals survey is a two-stage stratified cluster sample which includes about 5000 enterprises. Due to the sampling approach used the estimation of the parameters obtained from the survey could vary from those in the population due to sampling errors, errors due to non-response, errors in registration or processing etc.

Sampling error

Standard sampling errors are calculated and reported for a selection of indicators and breakdowns by the use of special statistical software.

Non-sampling error
Timeliness and punctuality
Timeliness

Data are disseminated according to the NSI’s Release Calendar schedule.

Punctuality

All deliverables are sent in time.

Coherence and comparability
Comparability - geographical

Fully comparable with all EU member states.

Comparability - over time

Partially comparable due to the changes of the general methodology.

Coherence - cross domain

Not applicable.

Coherence - internal

Not applicable.

Cost and burden

Not available.

Data revision
Data revision - policy

In accordance to the Rules for Dissemination of Statistical Products and Services.

Data revision - practice

In accordance to the Rules for Dissemination of Statistical Products and Services.

Statistical processing
Source data

Sample statistical survey on the ICT usage in households and by individuals.

Frequency of data collection

Data are collected on an annual basis.

Data collection

Face-to-face interviews.

Data validation

Data validation is done by logical control of the primary data and comparison with the results of previous studies. Additional checks on comparability and data quality are carried out by Eurostat.

Data compilation

Data processing is done by special statistical software.

Adjustment

Not applicable.

Comment
Download in SDMX 2.1 file format: ICT usage in households and by individuals
Metadata Structure Definition in SDMX 2.1: ESMS_MSD+BNSI+2.0+SDMX.2.1.xml
Download in SDMX 2.0 file format: ICT usage in households and by individuals
Metadata Structure Definition in SDMX 2.0: ESMS_MSD+BNSI+2.0+SDMX.2.0.xml


ESS Standard for Quality Reports Structure (ESQRS)

ICT usage in households and by individuals
Contact
Contact organisation

National Statistical Institute

Contact organisation unit

'Science, innovation and information society statistics' 

Contact name

Maia Papazova

Contact person function

State expert

Contact mail address

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

Contact email address

mpapazova@nsi.bg

Contact phone number

+359 2 9857 733

Contact fax number
Statistical presentation
Data description

The data on ICT usage in households and by individuals are based on an annual sample survey which is part of the European Community Statistical Programme. The methodology and the statistical tools are completely harmonized to Eurostat requirements and Regulation No.808/2004 of the European Parliament and the Council. The aim of the survey is to collect and disseminate reliable and comparable information on the use of Information and Communication Technologies in households at European level and covers the following subjects:

  • access to and use of ICT systems by individuals and/or in households;
  • use of internet for different purposes by individuals and/or in households;
  • ICT security;
  • ICT competence;
  • e-Commerce;
  • barriers to use of ICT and the internet;
  • perceived effects of ICT usage on individuals and/or in households.
Classification system

· National Classification of Occupations and Duties-2005 (NCOD-2005) - until 2010;

· National Classification of Occupations and Duties-2011 (NCOD-2011) - since 1 January 2011;

· International Standard Classification of Education, 1997 version (ISCED '97) - until 2013;

· International Standard Classification of Education, 2011 version (ISCED 2011) - since 2014;

· Classification of territorial units for statistical purposes in Bulgaria (NUTS).

Sector coverage

The survey on ICT usage in households covers regular households which have at least one member aged between 16 and 74 years from different regions in Bulgaria and all their members aged between 16 and 74 years. The sample size for each year is about 5000 households which are randomly selected.

Statistical concepts and definitions

Household is two or more persons, living in one dwelling or part of dwelling, sharing common budget and eating together. Household is also a person, living in one dwelling, room or part of it, who has a separate budget for the cost of meals and expenses to satisfy other needs.

A computer is a desktop, laptop, netbook or tablet computer. The following devices should not be considered as computers: Smart phones, PDA with mobile phone facilities, games consoles, media players or e-book readers.

The fixed broadband connection to the internet includes ADSL, SDSL, VDSL, fiber optics technology (FTTP), cable technology, etc.

mobile connection to the internet means the usage of portable devices connecting to the internet through mobile telephone networks for business purposes.
 
e-Commerce is the sale or purchase of goods or services conducted over computer networks by methods specifically designed for the purpose of receiving or placing of orders. The payment and the delivery of the goods or services do not have to be conducted online. e-Commerce transactions exclude orders made by manually typed e-mail messages.

 

Statistical unit

Households and individuals

Statistical population

The population of households consists of all private households having at least one member in the age group 16 to 74 years (households in which all members are aged under 16 and over 74 and institutional (collective) households are excluded). The population of individuals consists of all individuals aged 16 to 74.

Reference area

Households located in any part of the territory of the country.

Time coverage

Annual time series are available from 2004 onwards. The contents of the model questionnaire is adapted each year to measure the development of the use of ICT. Therefore not all variables have long time series.

Base period

Not applicable.

Statistical processing
Source data

Sample statistical survey on the ICT usage in households and by individuals.

Frequency of data collection

Data are collected on an annual basis.

Data collection

Face-to-face interviews.

Data validation

Data validation is done by logical control of the primary data and comparison with the results of previous studies. Additional checks on comparability and data quality are carried out by Eurostat.

Data compilation

Data processing is done by special statistical software.

Adjustment

Not applicable.

Quality management
Quality assurance

The Methodological Manual provides guidelines and standards for the implementation of the survey.

Quality assessment

The national quality report provides users with basic information on quality at national level.

Relevance
User needs

Тhe data collected are used in the context of the 2011 - 2015 benchmarking framework for the Digital Agenda Scoreboard, Europe's strategy for a flourishing digital economy by 2020, as well as at national level by the Ministry of Transport, Information Technology and Communications for evaluation of the indicators of 'Digital Bulgaria 2015' programme and by other users.

User satisfaction

Not available.

Completeness

Complete data on the ICT usage in households are available according to Regulation (EC) No 808/2004.

Data completeness - rate

Not applicable.

Accuracy and reliability
Overall accuracy

The sample used for the ICT usage in households and by individuals survey is a two-stage stratified cluster sample which includes about 5000 enterprises. Due to the sampling approach used the estimation of the parameters obtained from the survey could vary from those in the population due to sampling errors, errors due to non-response, errors in registration or processing etc.

Sampling error

Standard sampling errors are calculated and reported for a selection of indicators and breakdowns by the use of special statistical software.

Sampling errors - indicators
IndicatorsRelative shareStandard errorVarianceConfidence interval
95% lower limit, in %95% upper limit, in %
Households who have internet access at home    
Total63.50.961.561.7065.4
Households having broadband connection to the internet   
Total62.80.971.660.9064.7
Individuals regularly using the internet    
Total58.10.881.556.4059.9
Men58.51.011.756.6060.5
Women57.80.941.655.9059.6
16 - 24 years87.21.712.083.9090.6
25 - 34 years82.51.511.879.5085.4
35 - 44 years74.91.431.972.1077.8
45 - 54 years56.81.602.853.6059.9
55 - 64 years38.41.574.135.3041.5
65 - 74 years12.91.017.811.0014.9
Basic education or lower28.51.465.125.6031.3
Upper secondary education59.90.951.658.1061.8
Tertiary education86.60.881.084.9088.4
Students95.31.051.193.3097.4
Employed74.90.931.273.1076.8
Unemployed44.41.964.440.6048.3
Other inactive21.71.054.919.6023.7
Individuals having ordered/bought goods or services for private purposes over the internet
Total16.60.674.015.3017.9

 

Non-sampling error
Coverage error

Not applicable.

Over-coverage - rate

Not applicable.

Common units - proportion
Measurement error

Not applicable.

Non response error

Not applicable.

Unit non-response - rate

The non responce rate of the 2016 survey on ICT usage in households is 12% for the households and 13% for the individuals.

Item non-response - rate

Not applicable.

Processing error

Not applicable.

Imputation - rate

Not applicable.

Model assumption error

Not applicable.

Seasonal adjustment

Not applicable.

Data revision - policy

In accordance to the Rules for Dissemination of Statistical Products and Services.

Data revision - practice

In accordance to the Rules for Dissemination of Statistical Products and Services.

Data revision - average size
Timeliness and punctuality
Timeliness

Data are disseminated according to the NSI’s Release Calendar schedule.

Time lag - first results

Not applicable.

Time lag - final results

The final data are available 5 months after data collection and entry.

Punctuality

All deliverables are sent in time.

Punctuality - delivery and publication

Not applicable.

Coherence and comparability
Comparability - geographical

Fully comparable with all EU member states.

Asymmetry for mirror flows statistics - coefficient

Not applicable.

Comparability - over time

Partially comparable due to the changes of the general methodology.

Length of comparable time series

There are continuous time series time series for certain variables from 2004 to the present.

Coherence - cross domain

Not applicable.

Coherence - sub annual and annual statistics

Not applicable.

Coherence - National Accounts

Not applicable.

Coherence - internal

Not applicable.

Accessibility and clarity
News release

Regular press release in the NSI's website.

Publications

· Statistical Yearbook;

· Statistical Reference Book;

· Statistical Panorama - Bulgaria;

· Publication 'Sustainable development of Bulgaria.

On-line database

Data on ICT usage in households and by individuals are available to all users of the NSI website under the heading Information Society.

Data tables - consultations

Not applicable.

Micro-data access

In accordance to the Rules on Provision of the Anonymised Individual Data for Scientific and Research purposes.

Other

Information services by order in accordance to the Rules for Dissemination of Statistical Products and Services.

Metadata - consultations

Not applicable.

Documentation on methodology

Methodological manual for statistics on the Information Society, by Eurostat.

Metadata completeness – rate
Quality documentation

Quality reports comprising general methodological information of the survey, on statistical unit, population, sampling design, response and non-response, data processing and sampling errors.

Cost and burden

Not available.

Confidentiality
Confidentiality - policy

· 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), 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.

Confidentiality – data treatment

In compliance to the Law on Statistics (Articles 25 and 26).

Comment
Download in SDMX 2.1 file format: ICT usage in households and by individuals
Metadata Structure Definition in SDMX 2.1: ESQRS_MSD+BNSI+2.0+SDMX.2.1.xml
Download in SDMX 2.0 file format: ICT usage in households and by individuals
Metadata Structure Definition in SDMX 2.0: ESQRS_MSD+BNSI+2.0+SDMX.2.0.xml
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