Iran, Islamic Republic of vs Portugal: Secondary education, duration (years), annual growth rate
Iran, Islamic Republic of
0 % change on previous year
in 2025
Portugal
0 % change on previous year
in 2025
Iran, Islamic Republic of rank
1st
Portugal rank
1st
Secondary education, duration (years), annual growth rate over time
- Iran, Islamic Republic of
- Portugal
How they compare
Iran, Islamic Republic of currently reports 0 % change on previous year against 0 % change on previous year in Portugal, a difference of 0 % change on previous year.
The two have swapped places 2 times across 55 shared years of data; in 1971 it was Portugal ahead.
Iran, Islamic Republic of ranks 1st and Portugal ranks 1st of 209 countries.
Across the 6 decades both report, Iran, Islamic Republic of averaged higher in 1 and Portugal in 2.
Head to head by decade
| Decade | Iran, Islamic Republic of | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 1.85 % change on previous year | 0 % change on previous year | 1.85 % change on previous year | Iran, Islamic Republic of |
| 1980s | 0 % change on previous year | 2 % change on previous year | 2 % change on previous year | Portugal |
| 1990s | 0 % change on previous year | 0 % change on previous year | 0 % change on previous year | — |
| 2000s | 0 % change on previous year | 0 % change on previous year | 0 % change on previous year | — |
| 2010s | -1.43 % change on previous year | 0 % change on previous year | 1.43 % change on previous year | Portugal |
| 2020s | 0 % change on previous year | 0 % change on previous year | 0 % change on previous year | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher secondary education, duration (years), annual growth rate, Iran, Islamic Republic of or Portugal?
- Iran, Islamic Republic of, at 0 % change on previous year against 0 % change on previous year in Portugal as of 2025.
- What is the difference in secondary education, duration (years), annual growth rate between Iran, Islamic Republic of and Portugal?
- 0 % change on previous year, with Iran, Islamic Republic of ahead.
- How many years of comparable data are there for Iran, Islamic Republic of and Portugal?
- 55 years are reported by both, from 1971 to 2025.
- How do Iran, Islamic Republic of and Portugal rank globally for secondary education, duration (years), annual growth rate?
- Iran, Islamic Republic of ranks 1st and Portugal ranks 1st of 209 countries.
- Where does this data come from?
- Statizoid (derived), published as Secondary education, duration (years), annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
The year-on-year percentage change in Secondary education, duration (years). Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.