Fertility in Thailand, 2023
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2023
Total fertility rate: 1.21
The total fertility rate of Thailand was 1.21 children per woman in 2023 — below the replacement level of about 2.1. Births were most frequent among women aged 25-29 (63 per 1,000 women in that age group), and the average mother was 28.3 years old. In total, 591,200 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 2023
Total fertility rate
1.21
Births
591,200
Births per 1,000 people
8.2
Mean age of mothers
28.3
Births to mothers aged 15–19
9.4%
Net reproduction rate
0.58
Boys per 100 girls at birth
106.4
Population
71,702,435
The net reproduction rate counts only daughters who survive to their mothers' age: below 1, each generation of women is smaller than the one before.
Fertility by age of mother, 2023
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 0.6 | 0.2% | 1,174 |
| 15-19 | 26.1 | 10.8% | 55,380 |
| 20-24 | 55.8 | 23.0% | 126,962 |
| 25-29 | 63.5 | 26.1% | 160,571 |
| 30-34 | 55.2 | 22.7% | 140,211 |
| 35-39 | 33.1 | 13.6% | 83,952 |
| 40-44 | 8.2 | 3.4% | 22,258 |
| 45-49 | 0.3 | 0.1% | 691 |
| 50-54 | 0.0 | 0.0% | 0 |
Fertility in Thailand by year