Fertility in Tonga, 2035
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2035
Total fertility rate: 2.77
The total fertility rate of Tonga is projected at 2.77 children per woman in 2035 — above the replacement level of about 2.1. Births are projected to be most frequent among women aged 30-34 (150 per 1,000 women in that age group), and the average mother would be 29.7 years old. In total, 2,314 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).
Key indicators, 2035
Total fertility rate
2.77
Births
2,314
Births per 1,000 people
22.7
Mean age of mothers
29.7
Births to mothers aged 15–19
6.0%
Net reproduction rate
1.31
Boys per 100 girls at birth
108.1
Population
101,830
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, 2035
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 0.3 | 0.1% | 1 |
| 15-19 | 26.4 | 4.7% | 138 |
| 20-24 | 116.9 | 21.0% | 656 |
| 25-29 | 149.6 | 26.9% | 681 |
| 30-34 | 149.9 | 26.9% | 548 |
| 35-39 | 80.7 | 14.5% | 209 |
| 40-44 | 30.9 | 5.6% | 76 |
| 45-49 | 2.4 | 0.4% | 6 |
| 50-54 | 0.1 | 0.0% | 0 |
Fertility in Tonga by year