Fertility in Republic of Korea, 2017
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2017
Total fertility rate: 1.04
The total fertility rate of Republic of Korea was 1.04 children per woman in 2017 — below the replacement level of about 2.1. Births were most frequent among women aged 30-34 (96 per 1,000 women in that age group), and the average mother was 32.3 years old. In total, 356,023 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 2017
Total fertility rate
1.04
Births
356,023
Births per 1,000 people
6.9
Mean age of mothers
32.3
Births to mothers aged 15–19
0.5%
Net reproduction rate
0.50
Boys per 100 girls at birth
106.1
Population
51,486,270
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, 2017
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 0.0 | 0.0% | 11 |
| 15-19 | 1.1 | 0.5% | 1,614 |
| 20-24 | 9.5 | 4.6% | 15,557 |
| 25-29 | 45.9 | 22.3% | 72,365 |
| 30-34 | 96.2 | 46.7% | 161,505 |
| 35-39 | 47.4 | 23.0% | 92,959 |
| 40-44 | 5.8 | 2.8% | 11,462 |
| 45-49 | 0.2 | 0.1% | 544 |
| 50-54 | 0.0 | 0.0% | 6 |
Fertility in Republic of Korea by year