@techreport{Ministry of Health2023,
author = {Ministry of Health, Labour and Welfare},
title= {Vital statistics: Population by sex, 1899–2019},
year = {2023},
URL = {https://www.e-stat.go.jp/en/stat-search/files?page=1&stat_infid=000031981651},
publisher = {E-Stat: Portal Site of Official Statistics of Japan},
address = {Tokyo},
}