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