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Population: compare countries

See Population for up to four countries side by side.

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Population by country

Annual, Persons

Source: World Bank

Population: latest observations by country
Date	Japan	Mongolia
Dec 31, 2002	127,445,000	2,449,027
Dec 31, 2003	127,718,000	2,480,374
Dec 31, 2004	127,761,000	2,508,412
Dec 31, 2005	127,773,000	2,536,407
Dec 31, 2006	127,854,000	2,567,168
Dec 31, 2007	128,001,000	2,601,850
Dec 31, 2008	128,063,000	2,643,201
Dec 31, 2009	128,047,000	2,691,115
Dec 31, 2010	128,070,000	2,738,622
Dec 31, 2011	127,833,000	2,786,317
Dec 31, 2012	127,629,000	2,839,705
Dec 31, 2013	127,445,000	2,899,011
Dec 31, 2014	127,276,000	2,963,113
Dec 31, 2015	127,141,000	3,026,864
Dec 31, 2016	127,076,000	3,088,856
Dec 31, 2017	126,972,000	3,148,917
Dec 31, 2018	126,811,000	3,208,189
Dec 31, 2019	126,633,000	3,267,673
Dec 31, 2020	126,261,000	3,327,204
Dec 31, 2021	125,681,593	3,383,741
Dec 31, 2022	125,124,989	3,433,748
Dec 31, 2023	124,516,650	3,481,145
Dec 31, 2024	123,975,371	3,524,788
Dec 31, 2025	123,366,734	3,568,978