出生動向基本調査 - SERP Analysis

https://www.ipss.go.jp/site-ad/index_japanese/shussho-index.html

https://www.mhlw.go.jp/toukei/list/118-1.html

https://www.ipss.go.jp/ps-doukou/j/doukou16/doukou16_gaiyo.asp

https://www.mhlw.go.jp/toukei/list/118-1a.html

https://www.e-stat.go.jp/stat-search/files?page=1&toukei=00450431&tstat=000001207960

https://www.hokeniryo.metro.tokyo.lg.jp/shisetsu/jigyosyo/hokenjyo/minamitama/information/2025/shusseidoukou

https://www.jil.go.jp/kokunai/statistics/shozai/html/s10.html

https://www.city.toyota.aichi.jp/shisei/tokei/1066337.html

https://www.city.akita.lg.jp/shisei/tokei/1003666/1034616/1034618/1034639.html

https://www.gender.go.jp/link/research_olink/olink_weekly_03.html