Fertility in Tonga, 2050
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2050
Total fertility rate: 2.45
The total fertility rate of Tonga is projected at 2.45 children per woman in 2050 — above the replacement level of about 2.1. Births are projected to be most frequent among women aged 30-34 (134 per 1,000 women in that age group), and the average mother would be 29.5 years old. In total, 1,961 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).
Key indicators, 2050
Total fertility rate
2.45
Births
1,961
Births per 1,000 people
18.6
Mean age of mothers
29.5
Births to mothers aged 15–19
5.7%
Net reproduction rate
1.16
Boys per 100 girls at birth
108.1
Population
105,195
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, 2050
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 0.3 | 0.1% | 1 |
| 15-19 | 24.3 | 5.0% | 112 |
| 20-24 | 105.7 | 21.6% | 443 |
| 25-29 | 131.4 | 26.8% | 517 |
| 30-34 | 133.8 | 27.3% | 512 |
| 35-39 | 67.1 | 13.7% | 281 |
| 40-44 | 25.6 | 5.2% | 88 |
| 45-49 | 1.7 | 0.4% | 4 |
| 50-54 | 0.1 | 0.0% | 0 |
Fertility in Tonga by year