QoG code: opri_tdurece
Theoretical duration of early childhood education (years). Number of grades or years in a given level of education.
| Dataset | No. Countries |
|---|---|
| Standard cross-section | 188 |
| Standard time-series | 189 |
| OECD cross-section | 30 |
| OECD time-series | 30 |
| Dataset | Available for years |
|---|---|
| Standard time-series | 1970-2024 |
| OECD time-series | 1970-2024 |
This variable has information from 1970 to 2024.