Instruction time in compulsory education
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This dataset presents internationally comparable data on instruction time in full-time compulsory education. It covers primary and (lower and upper) secondary general education, but excludes pre-primary education, even if compulsory. Total number of instruction hours is available by level of education.

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OECD-INES NESLI 2022 Subnational Data Collection
For more information see

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Etienne ALBISER (etienne.albiser@oecd.org)

Click to expand Date last updated
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12 September 2023

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Further detail as to the methodology used during the data collection for each indicator, the references to the sources and the specific notes for each country are available in:

Click to expand Periodicity
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School year
Data should refer to the school year Y-1/Y (for example 2022/23) or in the case of Southern Hemisphere countries, Y (2023).
The most recent reference year is 2023.

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Detailed presentation and explanation of the ISCED 2011 classification is available in :

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Key statistical concepts, definitions and methodologies underlying the indicators are available in the:

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are included in:

Instruction time in compulsory educationAbstract

This dataset presents internationally comparable data on instruction time in full-time compulsory education. It covers primary and (lower and upper) secondary general education, but excludes pre-primary education, even if compulsory. Total number of instruction hours is available by level of education.

Data source(s) used

OECD-INES NESLI 2022 Subnational Data Collection
For more information see

Education at a Glancehttp://www.oecd.org/education/education-at-a-glance/Periodicity

School year
Data should refer to the school year Y-1/Y (for example 2022/23) or in the case of Southern Hemisphere countries, Y (2023).
The most recent reference year is 2023.

Date last updated

12 September 2023

Contact person

Etienne ALBISER (etienne.albiser@oecd.org)

Other data characteristics

Further detail as to the methodology used during the data collection for each indicator, the references to the sources and the specific notes for each country are available in:

Education at a Glance 2023 Sources, Methodologies and Technical Noteshttps://doi.org/10.1787/d7f76adc-enGeographic coverage

OECD territorial gridshttp://stats.oecd.org/wbos/fileview2.aspx?IDFile=cebce94d-9474-4ffc-b72a-d731fbdb75b9Key statistical concept

Key statistical concepts, definitions and methodologies underlying the indicators are available in the:

OECD Handbook for Internationally Comparative Education Statistics 2018https://doi.org/10.1787/9789264304444-enClassification(s) used

Detailed presentation and explanation of the ISCED 2011 classification is available in :

OECD Handbook for Internationally Comparative Education Statistics 2018https://doi.org/10.1787/9789264304444-enRecommended uses and limitations

are included in:

OECD Handbook for Internationally Comparative Education Statistics 2018https://doi.org/10.1787/9789264304444-en