Births per 1,000 women, by age of mother

Fertility in Japan, 1957

Japan
1957
Total fertility rate: 2.04
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1957  +1 +5

Country

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

The total fertility rate of Japan was 2.04 children per woman in 1957 — below 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 28.5 years old. In total, 1,646,267 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
2.04
Births
1,646,267
Births per 1,000 people
17.5
Mean age of mothers
28.5
Births to mothers aged 15–19
1.1%
Net reproduction rate
0.91
Boys per 100 girls at birth
105.7
Population
94,108,977
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.
Mother's ageBirths per 1,000 womenShare of total fertilityBirths
10-140.00.0%17
15-194.01.0%18,772
20-2498.724.2%443,653
25-29169.741.6%709,650
30-3490.322.1%336,004
35-3936.38.9%112,680
40-448.32.0%22,838
45-490.90.2%2,338
50-540.20.0%316