Fertility in Tonga, 2030
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2030
Total fertility rate: 2.91
The total fertility rate of Tonga is projected at 2.91 children per woman in 2030 — above the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (158 per 1,000 women in that age group), and the average mother would be 29.8 years old. In total, 2,276 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).
Key indicators, 2030
Total fertility rate
2.91
Births
2,276
Births per 1,000 people
22.3
Mean age of mothers
29.8
Births to mothers aged 15–19
6.6%
Net reproduction rate
1.37
Boys per 100 girls at birth
108.1
Population
102,072
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, 2030
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 0.4 | 0.1% | 1 |
| 15-19 | 24.9 | 4.3% | 151 |
| 20-24 | 120.8 | 20.8% | 637 |
| 25-29 | 157.7 | 27.1% | 678 |
| 30-34 | 155.5 | 26.7% | 472 |
| 35-39 | 87.1 | 15.0% | 238 |
| 40-44 | 32.3 | 5.6% | 89 |
| 45-49 | 3.0 | 0.5% | 8 |
| 50-54 | 0.1 | 0.0% | 0 |
Fertility in Tonga by year