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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Azerbaijan | 5.7 | 5.7 | 4.0 | 3.3 | 2.9 | 2.6 | 2.2 | 2.5 | 2.6 | 3.0 | 3.0 | 2.5 | 2.5 | 2.4 | 3.9 | 3.9 |
| Kazakhstan | 4.1 | 4.1 | 3.7 | 2.4 | 3.6 | 3.8 | 4.1 | 3.6 | 3.6 | 2.9 | 3.2 | 3.0 | 2.8 | 3.3 | 3.3 | 3.3 |
| Kyrgyzstan | 7.9 | 6.9 | 3.1 | 4.8 | 5.8 | 7.1 | 7.2 | 6.4 | 5.0 | 5.3 | 5.7 | 5.4 | 5.0 | 5.3 | 5.3 | 5.3 |
| Turkey | 1.9 | 1.9 | 2.2 | 2.7 | 3.5 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 4.0 | 3.8 | 3.7 | 4.1 | 4.1 | 4.1 |