Nigeria vs Ethiopia: population pyramids in 1999
NigeriaEthiopia
Each bar is the share of the total population at that single year of age (men left, women right), so countries of different sizes can be compared.
Nigeria and Ethiopia compared
In 1999, Nigeria has a population of 121.4 million and Ethiopia 64.4 million; Nigeria is about 1.9 times the size of Ethiopia.
The share aged 65 and over is 3.1% in Nigeria and 2.6% in Ethiopia, almost the same. The median age is 17.7 years in Nigeria and 16.2 years in Ethiopia.
The total fertility rate is 6.08 in Nigeria and 6.72 in Ethiopia, both above the replacement level of about 2.1. Life expectancy at birth is 46.6 years in Nigeria and 49.5 years in Ethiopia.
By 2050, the population of Nigeria is projected to grow by 194.0% and that of Ethiopia to grow by 246.8% compared with 1999.
GDP per person is $1,224 in Nigeria (2025) and $933 in Ethiopia (2025).
Key figures (1999)
| Nigeria | Ethiopia | |
|---|---|---|
| Population | 121.4 million | 64.4 million |
| Aged 0–14 | 43.8% | 47.5% |
| Aged 15–64 | 53.1% | 49.9% |
| Aged 65+ | 3.1% | 2.6% |
| Median age | 17.7 yrs | 16.2 yrs |
| Old-age dependency | 5.7 | 5.3 |
| Total fertility rate | 6.08 | 6.72 |
| Life expectancy | 46.6 yrs | 49.5 yrs |
| Population growth | +2.64% | +3.12% |
| Net migration (per year) | +97,195 | +29,142 |
| GDP | $291B (2025) | $126B (2025) |
| GDP per person | $1,224 (2025) | $933 (2025) |
| Unemployment | 3.1% (2025) | 3.3% (2025) |
Economic figures are the latest year published for each country.