Current expenditure on education as % of GNI is the total public current education expenditure expressed as a percentage of the Gross National Income (GNI) in a given financial year. GNI is also referred to as Gross National Product (GNP).
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Papua New Guinea | 6.3 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 |
| Solomon Islands | 4.1 | 3.8 | 4.3 | 5.4 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 |
| Timor-Leste | 1.5 | 1.5 | 1.5 | 1.5 | 2.7 | 2.0 | 1.8 | 1.9 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 |
| Haiti | 1.3 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Yemen | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | |||
| Afghanistan | 1.0 | 2.0 | 2.4 | 2.6 | 2.8 | 2.9 | 2.8 | 2.8 | 3.0 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 |
| Burundi | 2.2 | 3.3 | 3.0 | 3.6 | 6.4 | 5.8 | 5.7 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 |
| Central African Republic | 4.2 | 2.2 | 1.6 | 1.6 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
| Chad | 1.3 | 1.2 | 2.0 | 1.0 | 1.5 | 1.6 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
| Comoros | 3.9 | 3.9 | 2.1 | 2.3 | 2.4 | 2.4 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| Democratic Republic of the Congo | 2.1 | 0.9 | 1.0 | 1.3 | 1.5 | 1.7 | 1.9 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 |
| Guinea | 1.4 | 1.8 | 1.9 | 1.8 | 3.7 | 3.2 | 2.6 | 3.1 | 2.2 | 2.2 | 2.3 | 2.0 | 2.2 | 1.9 | 2.4 | 2.4 |
| Guinea Bissau | 2.6 | 2.8 | 2.2 | 1.8 | 1.4 | 1.3 | 1.4 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
| Côte d'Ivoire | 4.8 | 7.0 | 3.9 | 4.1 | 4.4 | 4.0 | 4.2 | 4.4 | 4.6 | 3.4 | 3.8 | 3.7 | 3.2 | 3.2 | 3.2 | 3.2 |
| Sao Tome and Principe | 3.8 | 3.4 | 2.5 | 5.3 | 7.7 | 5.6 | 3.5 | 5.1 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |
| Liberia | 1.9 | 4.2 | 3.9 | 3.8 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 |
| Somalia | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Togo | 1.9 | 4.7 | 4.2 | 3.4 | 4.5 | 4.8 | 4.8 | 5.1 | 5.3 | 4.8 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 |
| Sierra Leone | 3.0 | 1.1 | 5.1 | 2.9 | 2.5 | 2.6 | 2.8 | 2.6 | 2.7 | 3.3 | 4.0 | 4.6 | 5.2 | 5.8 | 6.5 | 7.1 |
| South Sudan | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.2 | 1.7 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |