Japan vs Portugal: Theoretical duration of secondary education
Japan
6 years
in 2025
Portugal
6 years
in 2025
Japan rank
96th
Portugal rank
96th
Theoretical duration of secondary education over time
- Japan
- Portugal
How they compare
Japan currently reports 6 years against 6 years in Portugal, a difference of 0 years.
The two have swapped places 1 time across 56 shared years of data; in 1970 it was Japan ahead.
Japan ranks 96th and Portugal ranks 96th of 215 countries.
Japan has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Japan | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 6 years | 5 years | 1 years | Japan |
| 1980s | 6 years | 5.9 years | 0.1 years | Japan |
| 1990s | 6 years | 6 years | 0 years | — |
| 2000s | 6 years | 6 years | 0 years | — |
| 2010s | 6 years | 6 years | 0 years | — |
| 2020s | 6 years | 6 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of secondary education, Japan or Portugal?
- Japan, at 6 years against 6 years in Portugal as of 2025.
- What is the difference in theoretical duration of secondary education between Japan and Portugal?
- 0 years, with Japan ahead.
- How many years of comparable data are there for Japan and Portugal?
- 56 years are reported by both, from 1970 to 2025.
- How do Japan and Portugal rank globally for theoretical duration of secondary education?
- Japan ranks 96th and Portugal ranks 96th of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
February 2026 Data Release