Share of people ages 15 and over who can read and write. Source: UNESCO Institute for Statistics. Retrieved 10 May 2026.
| Period | Adult Literacy Rate |
|---|---|
| 2019 | 43.6% |
| 2018 | 48.8% |
| 2017 | 44.8% |
| 2015 | 49.4% |
| 2014 | 44.4% |
| 2004 | 34.8% |
14 countries carry a recent adult literacy rate figure. Each opens its own page with the history, the source and the API request.
149 of 207 indicators carry a figure for Sierra Leone, grouped by topic.