Iran vs Vietnam: Population of the official entrance age to secondary general
Iran
1.43 million
in 2025
Vietnam
1.78 million
in 2025
Iran rank
17th
Vietnam rank
15th
Population of the official entrance age to secondary general over time
- Iran
- Vietnam
How they compare
Vietnam currently reports 1.78 million against 1.43 million in Iran, a difference of 353,270.
That makes Vietnam's figure about 1.2 times Iran's.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Vietnam ahead.
Iran ranks 17th and Vietnam ranks 15th of 220 countries.
Across the 6 decades both report, Iran averaged higher in 1 and Vietnam in 5.
Head to head by decade
| Decade | Iran | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 838,223 | 1.17 million | 333,267 | Vietnam |
| 1980s | 1.10 million | 1.40 million | 292,038 | Vietnam |
| 1990s | 1.77 million | 1.69 million | 79,596 | Iran |
| 2000s | 1.54 million | 1.67 million | 127,943 | Vietnam |
| 2010s | 1.17 million | 1.39 million | 223,970 | Vietnam |
| 2020s | 1.35 million | 1.67 million | 316,700 | Vietnam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population of the official entrance age to secondary general, Iran or Vietnam?
- Vietnam, at 1.78 million against 1.43 million in Iran as of 2025.
- What is the difference in population of the official entrance age to secondary general between Iran and Vietnam?
- 353,270, with Vietnam ahead.
- How many years of comparable data are there for Iran and Vietnam?
- 56 years are reported by both, from 1970 to 2025.
- How do Iran and Vietnam rank globally for population of the official entrance age to secondary general?
- Iran ranks 17th and Vietnam ranks 15th of 220 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Population of the official entrance age to secondary general education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
February 2026 Data Release