Iran vs Nigeria: Population aged 65 years or older
Iran
7,734 thousands
in 2025
Nigeria
7,190 thousands
in 2025
Iran rank
22nd
Nigeria rank
24th
Population aged 65 years or older over time
- Iran
- Nigeria
How they compare
Iran currently reports 7,734 thousands against 7,190 thousands in Nigeria, a difference of 544 thousands.
That makes Iran's figure about 1.1 times Nigeria's.
The two have swapped places 1 time across 56 shared years of data; in 1970 it was Nigeria ahead.
Iran ranks 22nd and Nigeria ranks 24th of 230 countries.
Across the 6 decades both report, Iran averaged higher in 1 and Nigeria in 5.
Head to head by decade
| Decade | Iran | Nigeria | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 1,106 thousands | 2,007 thousands | 901.07 thousands | Nigeria |
| 1980s | 1,462 thousands | 2,611 thousands | 1,149 thousands | Nigeria |
| 1990s | 2,214 thousands | 3,352 thousands | 1,138 thousands | Nigeria |
| 2000s | 3,253 thousands | 4,273 thousands | 1,020 thousands | Nigeria |
| 2010s | 4,813 thousands | 5,549 thousands | 735.81 thousands | Nigeria |
| 2020s | 6,905 thousands | 6,729 thousands | 176.72 thousands | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population aged 65 years or older, Iran or Nigeria?
- Iran, at 7,734 thousands against 7,190 thousands in Nigeria as of 2025.
- What is the difference in population aged 65 years or older between Iran and Nigeria?
- 544 thousands, with Iran ahead.
- How many years of comparable data are there for Iran and Nigeria?
- 56 years are reported by both, from 1970 to 2025.
- How do Iran and Nigeria rank globally for population aged 65 years or older?
- Iran ranks 22nd and Nigeria ranks 24th of 230 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Population aged 65 years or older (thousands). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
February 2026 Data Release