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

Ethiopia vs Nigeria: population pyramids in 1981

1981Swap

EthiopiaNigeria

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.

Ethiopia and Nigeria compared

In 1981, Ethiopia has a population of 34.5 million and Nigeria 74.9 million; Nigeria is about 2.2 times the size of Ethiopia.

The share aged 65 and over is 2.8% in Ethiopia and 3.2% in Nigeria, almost the same. The median age is 16.7 years in Ethiopia and 17.7 years in Nigeria.

The total fertility rate is 7.31 in Ethiopia and 6.82 in Nigeria, both above the replacement level of about 2.1. Life expectancy at birth is 43.1 years in Ethiopia and 46.3 years in Nigeria.

By 2050, the population of Ethiopia is projected to grow by 547.3% and that of Nigeria to grow by 376.5% compared with 1981.

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

Key figures (1981)

EthiopiaNigeria
Population34.5 million74.9 million
Aged 0–1446.4%44.7%
Aged 15–6450.8%52.1%
Aged 65+2.8%3.2%
Median age16.7 yrs17.7 yrs
Old-age dependency5.56.1
Total fertility rate7.316.82
Life expectancy43.1 yrs46.3 yrs
Population growth+4.67%+3.01%
Net migration (per year)+628,135+106,723
GDP$126B (2025)$291B (2025)
GDP per person$933 (2025)$1,224 (2025)
Unemployment3.3% (2025)3.1% (2025)

Economic figures are the latest year published for each country.

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