South Korea vs Portugal: Theoretical duration of secondary education (years)
South Korea
6 years
in 2025
Portugal
6 years
in 2025
South Korea rank
99th
Portugal rank
99th
Theoretical duration of secondary education (years) over time
- South Korea
- Portugal
How they compare
South Korea 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 South Korea ahead.
South Korea ranks 99th and Portugal ranks 99th of 221 countries.
South Korea has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | South Korea | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 6 years | 5 years | 1 years | South Korea |
| 1980s | 6 years | 5.9 years | 0.1 years | South Korea |
| 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, South Korea or Portugal?
- South Korea, at 6 years against 6 years in Portugal as of 2025.
- What is the difference in theoretical duration of secondary education between South Korea and Portugal?
- 0 years, with South Korea ahead.
- How many years of comparable data are there for South Korea and Portugal?
- 56 years are reported by both, from 1970 to 2025.
- How do South Korea and Portugal rank globally for theoretical duration of secondary education?
- South Korea ranks 99th and Portugal ranks 99th of 221 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