World Population PyramidsPopulation pyramids and indicators by country and year日本語

Nigeria vs Ethiopia: population pyramids in 1975

1975Swap

NigeriaEthiopia

3%2%1%0%1%2%3%0102030405060708090100MaleFemale

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 1975, Nigeria has a population of 62.5 million and Ethiopia 31.3 million; Nigeria is about 2.0 times the size of Ethiopia.

The share aged 65 and over is 3.2% in Nigeria and 2.8% in Ethiopia, almost the same. The median age is 18.4 years in Nigeria and 17.3 years in Ethiopia.

The total fertility rate is 6.77 in Nigeria and 7.08 in Ethiopia, both above the replacement level of about 2.1. Life expectancy at birth is 43.0 years in Nigeria and 38.9 years in Ethiopia.

By 2050, the population of Nigeria is projected to grow by 471.1% and that of Ethiopia to grow by 612.1% compared with 1975.

GDP per person is $1,224 in Nigeria (2025) and $933 in Ethiopia (2025).

Key figures (1975)

NigeriaEthiopia
Population62.5 million31.3 million
Aged 0–1443.3%45.5%
Aged 15–6453.5%51.7%
Aged 65+3.2%2.8%
Median age18.4 yrs17.3 yrs
Old-age dependency6.05.5
Total fertility rate6.777.08
Life expectancy43.0 yrs38.9 yrs
Population growth+2.83%+2.39%
Net migration (per year)+75,603-42,540
GDP$291B (2025)$126B (2025)
GDP per person$1,224 (2025)$933 (2025)
Unemployment3.1% (2025)3.3% (2025)

Economic figures are the latest year published for each country.

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