Trends in live births by place of delivery: Japan, urban/rural residence. 2019 Vital Statistics of Japan [website]. Tokyo: e-stat (Portal Site of Official Statistics of Japan), National Statistics Center [Japan]; 2019 (https://www.e-stat.go.jp/en/stat-search?page=2&query=2018%20vital%20statistics&layout=dataset&metadata=1&data=1, accessed 06 January 2021).