Fertility in Bulgaria, 2022
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2022
Total fertility rate: 1.77
The total fertility rate of Bulgaria was 1.77 children per woman in 2022 — below the replacement level of about 2.1. Births were most frequent among women aged 25-29 (104 per 1,000 women in that age group), and the average mother was 27.9 years old. In total, 64,058 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 2022
Total fertility rate
1.77
Births
64,058
Births per 1,000 people
9.4
Mean age of mothers
27.9
Births to mothers aged 15–19
9.6%
Net reproduction rate
0.85
Boys per 100 girls at birth
106.0
Population
6,825,864
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, 2022
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 1.8 | 0.5% | 301 |
| 15-19 | 39.4 | 11.2% | 6,159 |
| 20-24 | 75.2 | 21.4% | 11,226 |
| 25-29 | 104.1 | 29.6% | 16,746 |
| 30-34 | 82.3 | 23.4% | 18,128 |
| 35-39 | 39.8 | 11.3% | 9,200 |
| 40-44 | 8.6 | 2.4% | 2,092 |
| 45-49 | 0.8 | 0.2% | 201 |
| 50-54 | 0.0 | 0.0% | 3 |
Fertility in Bulgaria by year