declining birth rate; decrease in the number of children; sub-replacement fertility
A demographic term referring to the societal trend of fewer children being born, often discussed in the context of aging populations and economic impact.
日本では少子化が深刻な問題になっている。
The declining birth rate has become a serious problem in Japan.
少子化対策として、政府は子育て支援を拡充した。
As a measure against the declining birth rate, the government expanded childcare support.
The birth rate is declining rapidly in this country.
The government announced policies to curb the declining birth rate.
Support for child-rearing is essential to stem the declining birth rate.