In Japan, during the end of December and during the first 3 days of January, where government offices close, there is a problem of overflowing of deceased.
https://jfuneral.blogspot.com/2020/01/homeless-bodies.html
Simple reason is that crematorium also closes and there are no funerals during the “San Ga Nichi” which means “3 days of new years”, where everyone celebrates and not mourns.