Fertility in Tonga, 2055
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2055
Total fertility rate: 2.37
The total fertility rate of Tonga is projected at 2.37 children per woman in 2055 — above the replacement level of about 2.1. Births are projected to be most frequent among women aged 30-34 (131 per 1,000 women in that age group), and the average mother would be 29.4 years old. In total, 1,832 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).
Key indicators, 2055
Total fertility rate
2.37
Births
1,832
Births per 1,000 people
17.2
Mean age of mothers
29.4
Births to mothers aged 15–19
6.2%
Net reproduction rate
1.12
Boys per 100 girls at birth
108.1
Population
106,258
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, 2055
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 0.3 | 0.1% | 1 |
| 15-19 | 24.0 | 5.1% | 114 |
| 20-24 | 102.0 | 21.6% | 442 |
| 25-29 | 126.6 | 26.8% | 479 |
| 30-34 | 131.3 | 27.8% | 468 |
| 35-39 | 62.8 | 13.3% | 226 |
| 40-44 | 24.1 | 5.1% | 96 |
| 45-49 | 1.4 | 0.3% | 4 |
| 50-54 | 0.0 | 0.0% | 0 |
Fertility in Tonga by year