Read our Privacy Policy for more information about how we process your data.
You can change your preferences at any time by clicking the cookie icon in the footer.
In 2026, Guinea-Bissau's total fertility rate is 3.62 children per woman, above the 2.1 replacement level. Over the preceding five years it has fallen by 0.38 children per woman. About 66 thousand babies are born a year, a crude birth rate of 28.7 per 1,000. Its net reproduction rate sits at 1.60, above the 1.0 replacement mark. Women are having children at a mean age of 29.4 years. Mothers aged 15-19 account for 15% of births. By 2100, projections see it reaching 1.94 children per woman.
Fertility rate
3.62 children/woman
Birth rate
28.7 per 1,000 people
Total births
66K
Mean age at birth
29.4 years
Guinea-Bissau's fertility rate has fallen dramatically from 6.7 children per woman in 1985 to 3.62 today, still well above the 2.1 replacement level. This decline is projected to continue, dropping below replacement to 1.94 by 2100. Teen pregnancy remains notable, with 15% of births to mothers aged 15-19.