Secondary education, duration (years) by country
Secondary duration refers to the number of grades (years) in secondary school.
Countries reporting
205
Highest
9 years
Germany
Lowest
4 years
Singapore
Median
6 years
Years covered
56
1970–2025
Data points
13,986
What the numbers show
Secondary education, duration (years) is currently reported for 205 countries. The highest value is 9 years in Germany; the lowest is 4 years in Singapore.
The median across all reporting countries is 6 years, and the mean is 6.42 years.
The gap between the highest and lowest reporting country is a factor of about 2.
Over the past decade 10 countries rose and 3 fell. The largest increase was in Gibraltar (up 75.0%), and the largest decrease in Honduras (down 16.7%).
Secondary education, duration: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Germany | 9 years | 2025 | unchanged | flat |
| 1 | Slovakia | 9 years | 2025 | unchanged | rising |
| 3 | United Arab Emirates | 8 years | 2025 | up 14.3% | rising |
| 3 | Armenia | 8 years | 2025 | unchanged | rising |
| 3 | Austria | 8 years | 2025 | unchanged | flat |
| 3 | Bulgaria | 8 years | 2025 | unchanged | rising |
| 3 | Bosnia and Herzegovina | 8 years | 2025 | unchanged | flat |
| 3 | Czechia | 8 years | 2025 | unchanged | flat |
| 3 | Croatia | 8 years | 2025 | unchanged | flat |
| 3 | Hungary | 8 years | 2025 | unchanged | flat |
| 3 | Italy | 8 years | 2025 | unchanged | flat |
| 3 | Sri Lanka | 8 years | 2025 | unchanged | rising |
| 3 | Lithuania | 8 years | 2025 | unchanged | flat |
| 3 | Moldova | 8 years | 2025 | up 14.3% | rising |
| 3 | North Macedonia | 8 years | 2025 | unchanged | flat |
| 3 | Montenegro | 8 years | 2025 | unchanged | flat |
| 3 | Oman | 8 years | 2025 | up 33.3% | rising |
| 3 | Poland | 8 years | 2025 | up 33.3% | rising |
| 3 | Palestine | 8 years | 2025 | unchanged | flat |
| 3 | Romania | 8 years | 2025 | unchanged | flat |
| 3 | San Marino | 8 years | 2025 | unchanged | flat |
| 3 | Somalia | 8 years | 2025 | up 33.3% | rising |
| 3 | Serbia | 8 years | 2025 | unchanged | flat |
| 3 | Turkmenistan | 8 years | 2025 | unchanged | rising |
| 3 | Turkey | 8 years | 2025 | unchanged | rising |
| 26 | Albania | 7 years | 2025 | unchanged | falling |
| 26 | Azerbaijan | 7 years | 2025 | unchanged | flat |
| 26 | Burundi | 7 years | 2025 | unchanged | flat |
| 26 | Benin | 7 years | 2025 | unchanged | flat |
| 26 | Burkina Faso | 7 years | 2025 | unchanged | flat |
| 26 | Bangladesh | 7 years | 2025 | unchanged | flat |
| 26 | Belarus | 7 years | 2025 | unchanged | rising |
| 26 | Bermuda | 7 years | 2025 | unchanged | rising |
| 26 | Brazil | 7 years | 2025 | unchanged | flat |
| 26 | Brunei | 7 years | 2025 | unchanged | flat |
| 26 | Central African Republic | 7 years | 2025 | unchanged | flat |
| 26 | Switzerland | 7 years | 2025 | unchanged | flat |
| 26 | Cote d'Ivoire | 7 years | 2025 | unchanged | flat |
| 26 | Cameroon | 7 years | 2025 | unchanged | flat |
| 26 | Congo | 7 years | 2025 | unchanged | flat |
| 26 | Comoros | 7 years | 2025 | unchanged | flat |
| 26 | Djibouti | 7 years | 2025 | unchanged | flat |
| 26 | Algeria | 7 years | 2025 | unchanged | flat |
| 26 | Eritrea | 7 years | 2025 | unchanged | rising |
| 26 | Fiji | 7 years | 2025 | unchanged | rising |
| 26 | France | 7 years | 2025 | unchanged | flat |
| 26 | Gabon | 7 years | 2025 | unchanged | flat |
| 26 | United Kingdom | 7 years | 2025 | unchanged | flat |
| 26 | Gibraltar | 7 years | 2025 | up 75.0% | falling |
| 26 | Guinea | 7 years | 2025 | unchanged | rising |
| 26 | Haiti | 7 years | 2025 | unchanged | rising |
| 26 | India | 7 years | 2025 | unchanged | flat |
| 26 | Iceland | 7 years | 2025 | unchanged | flat |
| 26 | Kazakhstan | 7 years | 2025 | unchanged | flat |
| 26 | Kyrgyzstan | 7 years | 2025 | unchanged | flat |
| 26 | Kiribati | 7 years | 2025 | unchanged | rising |
| 26 | Kuwait | 7 years | 2025 | unchanged | falling |
| 26 | Laos | 7 years | 2025 | unchanged | rising |
| 26 | Monaco | 7 years | 2025 | unchanged | flat |
| 26 | Madagascar | 7 years | 2025 | unchanged | flat |
| 26 | Mongolia | 7 years | 2025 | unchanged | flat |
| 26 | Mauritania | 7 years | 2025 | unchanged | rising |
| 26 | Mauritius | 7 years | 2025 | unchanged | flat |
| 26 | New Caledonia | 7 years | 2025 | unchanged | flat |
| 26 | Niger | 7 years | 2025 | unchanged | flat |
| 26 | Nepal | 7 years | 2025 | unchanged | rising |
| 26 | New Zealand | 7 years | 2025 | unchanged | flat |
| 26 | Pakistan | 7 years | 2025 | unchanged | flat |
| 26 | French Polynesia | 7 years | 2025 | unchanged | flat |
| 26 | Russia | 7 years | 2025 | unchanged | flat |
| 26 | Senegal | 7 years | 2025 | unchanged | flat |
| 26 | Solomon Islands | 7 years | 2025 | unchanged | rising |
| 26 | Sierra Leone | 7 years | 2025 | unchanged | falling |
| 26 | Suriname | 7 years | 2025 | unchanged | flat |
| 26 | Slovenia | 7 years | 2025 | unchanged | falling |
| 26 | Seychelles | 7 years | 2025 | unchanged | rising |
| 26 | Chad | 7 years | 2025 | unchanged | flat |
| 26 | Togo | 7 years | 2025 | unchanged | flat |
| 26 | Tajikistan | 7 years | 2025 | unchanged | flat |
| 26 | Tonga | 7 years | 2025 | unchanged | rising |
| 26 | Tunisia | 7 years | 2025 | unchanged | flat |
| 26 | Tuvalu | 7 years | 2025 | unchanged | rising |
| 26 | Ukraine | 7 years | 2025 | unchanged | flat |
| 26 | Uzbekistan | 7 years | 2025 | down 12.5% | rising |
| 26 | Vietnam | 7 years | 2025 | unchanged | rising |
| 26 | Vanuatu | 7 years | 2025 | unchanged | flat |
| 26 | Samoa | 7 years | 2025 | unchanged | flat |
| 91 | Afghanistan | 6 years | 2025 | unchanged | flat |
| 91 | Angola | 6 years | 2025 | unchanged | falling |
| 91 | Andorra | 6 years | 2025 | unchanged | falling |
| 91 | Argentina | 6 years | 2025 | unchanged | rising |
| 91 | American Samoa | 6 years | 2025 | unchanged | rising |
| 91 | Australia | 6 years | 2025 | unchanged | flat |
| 91 | Belgium | 6 years | 2025 | unchanged | flat |
| 91 | Bahrain | 6 years | 2025 | unchanged | flat |
| 91 | Bahamas | 6 years | 2025 | unchanged | flat |
| 91 | Belize | 6 years | 2025 | unchanged | flat |
| 91 | Bolivia | 6 years | 2025 | unchanged | flat |
| 91 | Bhutan | 6 years | 2025 | unchanged | rising |
| 91 | Canada | 6 years | 2025 | unchanged | flat |
| 91 | Chile | 6 years | 2025 | unchanged | flat |
| 91 | China | 6 years | 2025 | unchanged | rising |
| 91 | Democratic Republic of Congo | 6 years | 2025 | unchanged | flat |
| 91 | Colombia | 6 years | 2025 | unchanged | flat |
| 91 | Cape Verde | 6 years | 2025 | unchanged | rising |
| 91 | Cuba | 6 years | 2025 | unchanged | falling |
| 91 | Curacao | 6 years | 2025 | unchanged | flat |
| 91 | Cayman Islands | 6 years | 2025 | unchanged | flat |
| 91 | Cyprus | 6 years | 2025 | unchanged | flat |
| 91 | Denmark | 6 years | 2025 | unchanged | flat |
| 91 | Dominican Republic | 6 years | 2025 | unchanged | flat |
| 91 | Ecuador | 6 years | 2025 | unchanged | flat |
| 91 | Egypt | 6 years | 2025 | unchanged | flat |
| 91 | Spain | 6 years | 2025 | unchanged | falling |
| 91 | Estonia | 6 years | 2025 | unchanged | flat |
| 91 | Ethiopia | 6 years | 2025 | unchanged | flat |
| 91 | Finland | 6 years | 2025 | unchanged | flat |
| 91 | Micronesia (country) | 6 years | 2025 | unchanged | flat |
| 91 | Georgia | 6 years | 2025 | unchanged | falling |
| 91 | Ghana | 6 years | 2025 | unchanged | falling |
| 91 | Gambia | 6 years | 2025 | unchanged | falling |
| 91 | Guinea-Bissau | 6 years | 2025 | unchanged | rising |
| 91 | Equatorial Guinea | 6 years | 2025 | unchanged | falling |
| 91 | Greece | 6 years | 2025 | unchanged | flat |
| 91 | Guatemala | 6 years | 2025 | unchanged | flat |
| 91 | Hong Kong | 6 years | 2025 | unchanged | falling |
| 91 | Indonesia | 6 years | 2025 | unchanged | flat |
| 91 | Iran | 6 years | 2025 | unchanged | flat |
| 91 | Iraq | 6 years | 2025 | unchanged | flat |
| 91 | Israel | 6 years | 2025 | unchanged | flat |
| 91 | Jordan | 6 years | 2025 | unchanged | flat |
| 91 | Japan | 6 years | 2025 | unchanged | flat |
| 91 | Kenya | 6 years | 2025 | unchanged | falling |
| 91 | Cambodia | 6 years | 2025 | unchanged | flat |
| 91 | South Korea | 6 years | 2025 | unchanged | flat |
| 91 | Lebanon | 6 years | 2025 | unchanged | falling |
| 91 | Liberia | 6 years | 2025 | unchanged | flat |
| 91 | Libya | 6 years | 2025 | unchanged | flat |
| 91 | Latvia | 6 years | 2025 | unchanged | falling |
| 91 | Macao | 6 years | 2025 | unchanged | flat |
| 91 | Morocco | 6 years | 2025 | unchanged | falling |
| 91 | Maldives | 6 years | 2025 | up 20.0% | falling |
| 91 | Mexico | 6 years | 2025 | unchanged | flat |
| 91 | Marshall Islands | 6 years | 2025 | unchanged | flat |
| 91 | Mali | 6 years | 2025 | unchanged | flat |
| 91 | Myanmar | 6 years | 2025 | unchanged | flat |
| 91 | Malawi | 6 years | 2025 | unchanged | flat |
| 91 | Malaysia | 6 years | 2025 | unchanged | flat |
| 91 | Nigeria | 6 years | 2025 | unchanged | falling |
| 91 | Netherlands | 6 years | 2025 | down 14.3% | rising |
| 91 | Norway | 6 years | 2025 | unchanged | flat |
| 91 | Nauru | 6 years | 2025 | unchanged | rising |
| 91 | Panama | 6 years | 2025 | unchanged | flat |
| 91 | Philippines | 6 years | 2025 | up 50.0% | rising |
| 91 | Palau | 6 years | 2025 | unchanged | falling |
| 91 | Papua New Guinea | 6 years | 2025 | unchanged | flat |
| 91 | Puerto Rico | 6 years | 2025 | unchanged | flat |
| 91 | North Korea | 6 years | 2025 | unchanged | flat |
| 91 | Portugal | 6 years | 2025 | unchanged | rising |
| 91 | Paraguay | 6 years | 2025 | unchanged | flat |
| 91 | Qatar | 6 years | 2025 | unchanged | flat |
| 91 | Rwanda | 6 years | 2025 | unchanged | falling |
| 91 | Saudi Arabia | 6 years | 2025 | unchanged | flat |
| 91 | Sudan | 6 years | 2025 | up 20.0% | rising |
| 91 | El Salvador | 6 years | 2025 | unchanged | rising |
| 91 | South Sudan | 6 years | 2025 | unchanged | flat |
| 91 | Sao Tome and Principe | 6 years | 2025 | unchanged | falling |
| 91 | Sweden | 6 years | 2025 | unchanged | flat |
| 91 | Syria | 6 years | 2025 | unchanged | rising |
| 91 | Thailand | 6 years | 2025 | unchanged | rising |
| 91 | East Timor | 6 years | 2025 | unchanged | flat |
| 91 | Tanzania | 6 years | 2025 | unchanged | flat |
| 91 | Uganda | 6 years | 2025 | unchanged | flat |
| 91 | Uruguay | 6 years | 2025 | unchanged | flat |
| 91 | United States | 6 years | 2025 | unchanged | flat |
| 91 | British Virgin Islands | 6 years | 2025 | up 20.0% | rising |
| 91 | United States Virgin Islands | 6 years | 2025 | unchanged | flat |
| 91 | Yemen | 6 years | 2025 | unchanged | flat |
| 91 | Zimbabwe | 6 years | 2025 | unchanged | flat |
| 183 | Aruba | 5 years | 2025 | unchanged | flat |
| 183 | Antigua and Barbuda | 5 years | 2025 | unchanged | flat |
| 183 | Barbados | 5 years | 2025 | unchanged | falling |
| 183 | Botswana | 5 years | 2025 | unchanged | flat |
| 183 | Costa Rica | 5 years | 2025 | unchanged | flat |
| 183 | Dominica | 5 years | 2025 | unchanged | flat |
| 183 | Grenada | 5 years | 2025 | unchanged | flat |
| 183 | Guyana | 5 years | 2025 | unchanged | flat |
| 183 | Honduras | 5 years | 2025 | down 16.7% | rising |
| 183 | Jamaica | 5 years | 2025 | unchanged | falling |
| 183 | Saint Kitts and Nevis | 5 years | 2025 | unchanged | falling |
| 183 | Saint Lucia | 5 years | 2025 | unchanged | flat |
| 183 | Lesotho | 5 years | 2025 | unchanged | flat |
| 183 | Mozambique | 5 years | 2025 | unchanged | falling |
| 183 | Namibia | 5 years | 2025 | unchanged | flat |
| 183 | Nicaragua | 5 years | 2025 | unchanged | flat |
| 183 | Peru | 5 years | 2025 | unchanged | flat |
| 183 | Eswatini | 5 years | 2025 | unchanged | flat |
| 183 | Sint Maarten (Dutch part) | 5 years | 2025 | unchanged | flat |
| 183 | Turks and Caicos Islands | 5 years | 2025 | unchanged | flat |
| 183 | Trinidad and Tobago | 5 years | 2025 | unchanged | flat |
| 183 | Saint Vincent and the Grenadines | 5 years | 2025 | unchanged | falling |
| 183 | Venezuela | 5 years | 2025 | unchanged | flat |
| 183 | South Africa | 5 years | 2025 | unchanged | flat |
| 183 | Zambia | 5 years | 2025 | unchanged | flat |
| 209 | Singapore | 4 years | 2025 | unchanged | falling |
Regions and income groups
Aggregates are excluded from the country ranking above so that a region can never outrank a country.
- Central Europe and the Baltics 8 years
- Europe & Central Asia (IDA & IBRD countries) 8 years
- Africa Western and Central 7 years
- Europe & Central Asia (excluding high income) 7 years
- Europe & Central Asia 7 years
- European Union 7 years
- Late-demographic dividend 7 years
- South Asia 7 years
- South Asia (IDA & IBRD) 7 years
- Heavily indebted poor countries (HIPC) 6.5 years
- Africa Eastern and Southern 6 years
- Arab World 6 years
About this data
Secondary duration refers to the number of grades (years) in secondary school.