Fertility in Tonga, 2040
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2040
Total fertility rate: 2.65
The total fertility rate of Tonga is projected at 2.65 children per woman in 2040 — above the replacement level of about 2.1. Births are projected to be most frequent among women aged 30-34 (144 per 1,000 women in that age group), and the average mother would be 29.6 years old. In total, 2,271 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).
Key indicators, 2040
Total fertility rate
2.65
Births
2,271
Births per 1,000 people
22.1
Mean age of mothers
29.6
Births to mothers aged 15–19
5.3%
Net reproduction rate
1.25
Boys per 100 girls at birth
108.1
Population
102,565
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, 2040
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 0.3 | 0.1% | 1 |
| 15-19 | 25.5 | 4.8% | 121 |
| 20-24 | 113.8 | 21.3% | 545 |
| 25-29 | 142.7 | 26.7% | 710 |
| 30-34 | 143.8 | 26.9% | 570 |
| 35-39 | 76.4 | 14.3% | 248 |
| 40-44 | 28.9 | 5.4% | 68 |
| 45-49 | 2.2 | 0.4% | 5 |
| 50-54 | 0.1 | 0.0% | 0 |
Fertility in Tonga by year