Births per 1,000 women, by age of mother

Fertility in Japan, 2004

Japan
2004
Total fertility rate: 1.28
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   2004  +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 1.28 children per woman in 2004 — below the replacement level of about 2.1. Births were most frequent among women aged 30-34 (87 per 1,000 women in that age group), and the average mother was 29.9 years old. In total, 1,120,731 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.28
Births
1,120,731
Births per 1,000 people
8.8
Mean age of mothers
29.9
Births to mothers aged 15–19
1.7%
Net reproduction rate
0.62
Boys per 100 girls at birth
105.3
Population
127,815,774
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%57
15-195.82.2%18,685
20-2437.514.5%135,911
25-2986.633.6%373,806
30-3487.033.7%423,534
35-3936.114.0%149,570
40-444.81.9%18,660
45-490.10.0%449
50-540.00.0%58