data jepangThe data reached an all-time hh of 128.1 million people in Dec 2010 and a record low of 43.4 million people in Dec 1899; CEIC extends history for annual Population. Statistical BureauOur World in Data is a project of Global Change Data Lab, a nonprofit based in the UK (Reg. Charity No. 1186433).Our charts, articles, and data are licensed under CC BY, unless stated