Gross enrollment ratio in secondary education, regardless of age, as a share of the official secondary-age population. Source: World Bank — World Development Indicators. Retrieved 15 Oct 2026.
| Period | Secondary Enrollment |
|---|---|
| 2023 | 46.9% |
| 2021 | 45.4% |
| 2020 | 44.1% |
| 2018 | 40.5% |
| 2016 | 39.3% |
| 2015 | 43.8% |
| 2014 | 42.8% |
| 2013 | 52.8% |
| 2012 | 44.5% |
| 2011 | 43% |
| 2010 | 41.8% |
| 2009 | 37.1% |
27 countries carry a recent secondary school enrollment ratio figure. Each opens its own page with the history, the source and the API request.
164 of 207 indicators carry a figure for Nigeria, grouped by topic.