Births per 1,000 women, by age of mother

Fertility in Japan, 1978

Japan
1978
Total fertility rate: 1.79
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1978  +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 1.79 children per woman in 1978 — below the replacement level of about 2.1. Births were most frequent among women aged 25-29 (180 per 1,000 women in that age group), and the average mother was 27.7 years old. In total, 1,739,853 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.79
Births
1,739,853
Births per 1,000 people
14.9
Mean age of mothers
27.7
Births to mothers aged 15–19
0.8%
Net reproduction rate
0.85
Boys per 100 girls at birth
106.0
Population
116,576,944
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%18
15-193.51.0%13,509
20-2487.324.1%350,143
25-29180.349.7%923,919
30-3475.520.8%379,305
35-3914.03.9%65,332
40-441.70.5%7,322
45-490.10.0%304
50-540.00.0%0