Public expenditure on education as % of GDP is the total public expenditure (current and capital) on education expressed as a percentage of the Gross Domestic Product (GDP) in a given year. Public expenditure on education includes government spending on educational institutions (both public and private), education administration, and transfers/subsidies for private entities (students/households and other privates entities).
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cameroon | 3.3 | 1.7 | 2.7 | 2.8 | 2.7 | 2.6 | 2.7 | 2.6 | 2.7 | 2.6 | 3.1 | 3.0 | 3.0 | 3.1 | 2.8 | 2.6 | |
| Central African Republic | 2.2 | 1.6 | 1.7 | 1.1 | 1.1 | 2.0 | 2.6 | 2.2 | 1.9 | 1.8 | 1.8 | 1.6 | 1.8 | 2.1 | 1.9 | 2.1 | |
| Chad | 2.6 | 1.7 | 2.0 | 2.3 | 2.2 | 2.9 | 2.3 | 2.3 | 2.4 | 2.5 | 2.3 | 2.4 | 2.7 | 2.9 | 2.5 | ||
| Congo | 5.7 | 1.7 | 5.7 | 2.6 | 2.7 | 3.2 | 3.1 | 4.2 | 2.8 | 3.6 | 4.6 | 3.7 | 3.0 | ||||
| Gabon | 3.8 | 3.1 | 3.0 | 3.0 | 3.0 | 2.7 | 2.8 | 2.7 | 3.6 | 3.1 | 2.9 | 3.4 | 2.7 | 2.2 |