The number of children under the age of 1 as of last month was 15.1435 million, a decrease for 42 consecutive years. The lower the age group, the fewer there are.

The ratio of children to the total population was 2.13%, a decrease of 9 years in a row. The lowest percentage of children was 2053.1000% in Akita Prefecture, followed by 2070.797% in Aomori Prefecture and 9.2% in Hokkaido.