Fertility in Brunei Darussalam, 2023
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2023
Total fertility rate: 1.75
The total fertility rate of Brunei Darussalam was 1.75 children per woman in 2023 — below the replacement level of about 2.1. Births were most frequent among women aged 30-34 (110 per 1,000 women in that age group), and the average mother was 30.7 years old. In total, 6,237 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 2023
Total fertility rate
1.75
Births
6,237
Births per 1,000 people
13.6
Mean age of mothers
30.7
Births to mothers aged 15–19
2.1%
Net reproduction rate
0.82
Boys per 100 girls at birth
107.6
Population
458,949
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, 2023
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 0.2 | 0.1% | 4 |
| 15-19 | 8.5 | 2.4% | 132 |
| 20-24 | 47.3 | 13.5% | 813 |
| 25-29 | 106.8 | 30.5% | 1,935 |
| 30-34 | 109.6 | 31.3% | 2,001 |
| 35-39 | 59.7 | 17.0% | 1,048 |
| 40-44 | 17.1 | 4.9% | 286 |
| 45-49 | 1.2 | 0.4% | 19 |
| 50-54 | 0.0 | 0.0% | 0 |
Fertility in Brunei Darussalam by year