Chad vs Portugal: Duration of pre primary education
Chad
3
in 2025
Portugal
3
in 2025
Chad rank
27th
Portugal rank
27th
Duration of pre primary education over time
- Chad
- Portugal
How they compare
Chad currently reports 3 against 3 in Portugal, a difference of 0.
Across all 56 years both countries report, Portugal has been ahead every year.
Chad ranks 27th and Portugal ranks 27th of 217 countries.
Portugal has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Chad | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 | 3.1 | 0.1 | Portugal |
| 1980s | 3 | 3 | 0 | — |
| 1990s | 3 | 3 | 0 | — |
| 2000s | 3 | 3 | 0 | — |
| 2010s | 3 | 3 | 0 | — |
| 2020s | 3 | 3 | 0 | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher duration of pre primary education, Chad or Portugal?
- Chad, at 3 against 3 in Portugal as of 2025.
- What is the difference in duration of pre primary education between Chad and Portugal?
- 0, with Chad ahead.
- How many years of comparable data are there for Chad and Portugal?
- 56 years are reported by both, from 1970 to 2025.
- How do Chad and Portugal rank globally for duration of pre primary education?
- Chad ranks 27th and Portugal ranks 27th of 217 countries.
- Where does this data come from?
- Our World in Data, published as Duration of pre primary education. Statizoid refreshes it automatically from the source and publishes the full history for both places.