Births per 1,000 women, by age of mother

Fertility in Japan, 2031

Japan
2031
Total fertility rate: 1.27
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   2031  +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 is projected at 1.27 children per woman in 2031 — below the replacement level of about 2.1. Births are projected to be most frequent among women aged 30-34 (96 per 1,000 women in that age group), and the average mother would be 32.6 years old. In total, 754,903 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Total fertility rate
1.27
Births
754,903
Births per 1,000 people
6.4
Mean age of mothers
32.6
Births to mothers aged 15–19
0.4%
Net reproduction rate
0.61
Boys per 100 girls at birth
105.0
Population
118,852,085
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%31
15-191.10.5%2,947
20-2413.95.5%41,855
25-2962.424.7%194,104
30-3496.138.0%283,172
35-3961.924.5%178,503
40-4416.56.5%50,626
45-491.00.4%3,666
50-540.00.0%0