Nigeria vs Iran: population comparison
Current population of Nigeria
242,935,504
Live estimate, extrapolated from the latest official figures
- Births today
- 4,400
- Deaths today
- 1,576
- Change today (UTC)
- +2,792
Current population of Iran
93,360,283
Live estimate, extrapolated from the latest official figures
- Births today
- 662
- Deaths today
- 250
- Change today (UTC)
- +486
Nigeria has a population of 237,527,782 and Iran has 92,417,681 (2025 estimates). Nigeria is currently larger by 145,110,101 people — about 2.6 times Iran's population. They rank 6 and 17 in the world respectively.
Their trajectories differ: Nigeria grows at +2.06% per year versus +0.92% for Iran. At current rates the balance between them keeps shifting.
Beyond size, the structures differ: Nigeria is the younger society (median age 18.1 vs 34.0); Nigeria is far more crowded at 250 people per km² against 56.
Nigeria vs Iran population, 1960–2025
Side by side
| Indicator | Nigeria | Iran |
|---|---|---|
| Population | 237,527,782 | 92,417,681 |
| Annual growth | +2.06% | +0.92% |
| Yearly change | +4,848,304 | +849,943 |
| Density (P/km²) | 250 | 56 |
| Land area (km²) | 910,770 | 1,622,500 |
| Median age | 18.1 yrs | 34.0 yrs |
| Fertility rate | 4.38 | 1.68 |
| Life expectancy | 54.6 yrs | 77.9 yrs |
| Urban population | 64% | 77% |
| World share | 2.89% | 1.12% |
| 2050 projection (UN) | 359,185,556 | 101,861,993 |
Latest World Bank estimates; median age and 2050 projections from UN WPP 2024. Full profiles: Nigeria · Iran
Nigeria vs Iran FAQ
Is Nigeria bigger than Iran by population?
Nigeria currently has the larger population: 237,527,782 versus 92,417,681 (2025 estimates) — a gap of 145.11 million people.
Which grows faster, Nigeria or Iran?
Nigeria currently grows faster: +2.06% per year versus +0.92%.
How do Nigeria and Iran compare in 2050?
UN medium-variant projections put Nigeria at 359,185,556 and Iran at 101,861,993 in 2050.