Population, long-run history: compare countries

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Population, long-run history by country

Annual, Persons, thousands

Source: Maddison Project Database 2023

Population, long-run history: latest observations by country
Date	Nigeria	Congo - Kinshasa	Romania
Dec 31, 1999	121,649	51,181	22,414
Dec 31, 2000	125,014	52,782	22,262
Dec 31, 2001	128,513	54,453	22,106
Dec 31, 2002	132,165	56,170	21,931
Dec 31, 2003	135,971	57,860	21,828
Dec 31, 2004	139,900	59,599	21,704
Dec 31, 2005	143,914	61,474	21,571
Dec 31, 2006	148,019	63,479	21,443
Dec 31, 2007	152,195	65,590	21,129
Dec 31, 2008	156,434	67,800	20,779
Dec 31, 2009	160,751	70,114	20,607
Dec 31, 2010	165,142	72,550	20,485
Dec 31, 2011	169,607	75,138	20,385
Dec 31, 2012	174,142	77,792	20,296
Dec 31, 2013	178,737	80,534	20,224
Dec 31, 2014	183,362	83,368	20,151
Dec 31, 2015	187,979	86,229	20,055
Dec 31, 2016	192,594	89,193	19,938
Dec 31, 2017	197,417	92,209	19,823
Dec 31, 2018	202,498	95,232	19,713
Dec 31, 2019	207,699	98,320	19,622
Dec 31, 2020	213,021	101,499	19,496
Dec 31, 2021	218,473	104,767	19,351
Dec 31, 2022	223,735	108,171	19,266

Source: Bolt, J. and van Zanden, J.L. (2024), Maddison style estimates of the evolution of the world economy: A new 2023 update, Journal of Economic Surveys, 1-41, DOI 10.1111/joes.12618. Licensed under CC BY 4.0. The original sources are listed on each page.

All data sources

Original sources of these estimates

GDP pc: 2008 - 2022: Total Economy Database the Conference Board for all countries included in TED. Otherwise UN national accounts statistics

Nigeria

1885-1950: Broadberry, S., & Gardner, L. (2022). Economic growth in Sub-Saharan Africa, 1885–2008: Evidence from eight countries. Explorations in Economic History, 83, 101424.

Romania

1862–1995: Axenciuc, V. (2012). Produsul intern brut al Romaniei, Vol. 1, Institutl de Economie Nationala, Bucarest
1915-1919 & 1949: Voinea, L., Cojocaru, A., Costache, B., Grigoraș, V., Lovin, H., Neagu, C., Orțan, D., & Tănase, A. (2019). One Hundred Years of Honesty: Recovering the Lost Memory of the Romanian Economy 1918-2018.

No separate list is published for Congo - Kinshasa; the database as a whole is cited above.