Fertility in Kiribati, 2021
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2021
Total fertility rate: 3.22
The total fertility rate of Kiribati was 3.22 children per woman in 2021 — above the replacement level of about 2.1. Births were most frequent among women aged 25-29 (170 per 1,000 women in that age group), and the average mother was 29.1 years old. In total, 3,455 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 2021
Total fertility rate
3.22
Births
3,455
Births per 1,000 people
26.9
Mean age of mothers
29.1
Births to mothers aged 15–19
7.5%
Net reproduction rate
1.42
Boys per 100 girls at birth
107.2
Population
128,377
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, 2021
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 1.3 | 0.2% | 8 |
| 15-19 | 46.4 | 7.2% | 258 |
| 20-24 | 151.0 | 23.4% | 897 |
| 25-29 | 170.2 | 26.3% | 988 |
| 30-34 | 138.8 | 21.5% | 719 |
| 35-39 | 98.5 | 15.2% | 445 |
| 40-44 | 36.4 | 5.6% | 128 |
| 45-49 | 3.5 | 0.5% | 10 |
| 50-54 | 0.1 | 0.0% | 0 |
Fertility in Kiribati by year