Births per 1,000 women, by age of mother
Fertility in Bulgaria, 1997
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1997
Total fertility rate: 1.11
The total fertility rate of Bulgaria was 1.11 children per woman in 1997 — below the replacement level of about 2.1. Births were most frequent among women aged 20-24 (87 per 1,000 women in that age group), and the average mother was 24.4 years old. In total, 63,819 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 1997
Total fertility rate
1.11
Births
63,819
Births per 1,000 people
7.8
Mean age of mothers
24.4
Births to mothers aged 15–19
19.9%
Net reproduction rate
0.52
Boys per 100 girls at birth
106.8
Population
8,217,102
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, 1997
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 2.0 | 0.9% | 528 |
| 15-19 | 44.8 | 20.1% | 12,697 |
| 20-24 | 86.8 | 38.9% | 25,899 |
| 25-29 | 58.2 | 26.1% | 16,345 |
| 30-34 | 22.4 | 10.0% | 5,831 |
| 35-39 | 7.3 | 3.3% | 2,023 |
| 40-44 | 1.6 | 0.7% | 463 |
| 45-49 | 0.1 | 0.1% | 34 |
| 50-54 | 0.0 | 0.0% | 0 |
Fertility in Bulgaria by year