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Fertility in Thailand sits at 1.19 children per woman in 2026, below the replacement level of 2.1. Over the preceding five years it has held broadly steady. About 566 thousand babies are born a year, a crude birth rate of 7.9 per 1,000. Its net reproduction rate sits at 0.56, far below the 1.0 that marks generational replacement. Women are having children at a mean age of 28.6 years. Mothers aged 15-19 account for 8% of births. By 2100, projections see it reaching 1.44 children per woman.
Fertility rate
1.19 children/woman
Birth rate
7.9 per 1,000 people
Total births
566.1K
Mean age at birth
28.6 years
Thailand's fertility rate has fallen dramatically from 6.4 children per woman in 1953 to 1.19 today, below the 2.1 replacement level.