Fertility in Tonga, 2070
Tonga
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Less developed regions, excluding least developed countries
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2070
Total fertility rate: 2.18
The total fertility rate of Tonga is projected at 2.18 children per woman in 2070 — above the replacement level of about 2.1. Births are projected to be most frequent among women aged 30-34 (125 per 1,000 women in that age group), and the average mother would be 29.4 years old. In total, 1,731 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).
Key indicators, 2070
Total fertility rate
2.18
Births
1,731
Births per 1,000 people
15.6
Mean age of mothers
29.4
Births to mothers aged 15–19
5.6%
Net reproduction rate
1.03
Boys per 100 girls at birth
108.1
Population
111,016
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, 2070
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 0.3 | 0.1% | 1 |
| 15-19 | 24.2 | 5.5% | 97 |
| 20-24 | 91.0 | 20.8% | 379 |
| 25-29 | 116.4 | 26.7% | 484 |
| 30-34 | 124.6 | 28.5% | 494 |
| 35-39 | 58.0 | 13.3% | 205 |
| 40-44 | 20.8 | 4.8% | 67 |
| 45-49 | 1.2 | 0.3% | 3 |
| 50-54 | 0.0 | 0.0% | 0 |
Fertility in Tonga by year