For the first time in recorded history, in 2025 the global population of people over the age of 65 surpassed that of children aged 0 to 5

This milestone was reached sooner than many demographers had predicted, as declining birth rates accelerate population aging: 

Japanese Birth Rate Falls for 37th Year in a Row, Hits Record Low

New data released by the Japanese Internal Affairs and Communications Ministry has revealed that children in Japan have decreased for the 37th consecutive year, to a record low number. The ministry defines a child as anyone 14 or younger.