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Nigeria's women have 4.21 children each on average in 2026, above the 2.1 needed to sustain the population. Over the preceding five years it has fallen by 0.43 children per woman. About 7.7 million babies are born a year, a crude birth rate of 31.8 per 1,000. Its net reproduction rate sits at 1.63, above the 1.0 replacement mark. Women are having children at a mean age of 29.1 years. Mothers aged 15-19 account for 14% of births. By 2100, projections put it at 1.91 children per woman.
Fertility rate
4.21 children/woman
Birth rate
31.8 per 1,000 people
Total births
7.7M
Mean age at birth
29.1 years
Nigeria's fertility rate has fallen dramatically from 6.9 children per woman in 1978 to 4.21 today, still well above the 2.1 replacement level. This decline is projected to continue, dropping below replacement to 1.91 by 2100. Teen pregnancy remains notable, with 14% of births to mothers aged 15-19.