Japan's diaper manufacturers, like Daio Paper, shift focus to adult market due to declining birth rates.

Japan's diaper manufacturers are shifting focus to the adult market due to declining birth rates. With Japan's population aging, companies like Daio Paper are investing more resources into the growing adult diaper market, reporting revenue from adult diaper sales already double that of baby diapers. As births in Japan fell to a record low in 2021, the country's population is expected to decline.