The number of newborns in Japan fell below 700,000 for the first time since records began in 1899, according to government data, as younger people are reluctant to marry and raise children due to economic concern and a society that still adds extra burden only on women.
It’s a big issue everywhere, Japan in particular has it worse than others because of their robust social support network so you need a large working population to be able to fund it and due to their shrinking population funding social services their deficit has been increasing and is reaching a bad point where their deficit is around 2.5x their GDP so they are going to bury their future already shrinking population in debt