Iran vs United Kingdom: Population by age
Iran
92.42 million
in 2025
United Kingdom
69.55 million
in 2025
Iran rank
3rd
United Kingdom rank
6th
Population by age over time
- Iran
- United Kingdom
How they compare
Iran currently reports 92.42 million against 69.55 million in United Kingdom, a difference of 22.87 million.
That makes Iran's figure about 1.3 times United Kingdom's.
Across all 26 years both countries report, Iran has been ahead every year.
Iran ranks 3rd and United Kingdom ranks 6th of 74 countries.
Iran has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Iran | United Kingdom | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 71.27 million | 60.56 million | 10.71 million | Iran |
| 2010s | 82.17 million | 65.12 million | 17.05 million | Iran |
| 2020s | 90.05 million | 68.43 million | 21.62 million | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population by age, Iran or United Kingdom?
- Iran, at 92.42 million against 69.55 million in United Kingdom as of 2025.
- What is the difference in population by age between Iran and United Kingdom?
- 22.87 million, with Iran ahead.
- How many years of comparable data are there for Iran and United Kingdom?
- 26 years are reported by both, from 2000 to 2025.
- How do Iran and United Kingdom rank globally for population by age?
- Iran ranks 3rd and United Kingdom ranks 6th of 74 countries.
- Where does this data come from?
- UNICEF, published as Population by age. Statizoid refreshes it automatically from the source and publishes the full history for both places.