Population, long-run history: compare countries

See Population, long-run history for up to four countries side by side.

Countries being compared

Add a country

Population, long-run history by country

Annual, Persons, thousands

Source: Maddison Project Database 2023

Population, long-run history: latest observations by country
Date	São Tomé & Príncipe	Romania	Sierra Leone
Dec 31, 1999	138	22,414	3,736
Dec 31, 2000	141	22,262	3,809
Dec 31, 2001	144	22,106	4,043
Dec 31, 2002	147	21,931	4,287
Dec 31, 2003	151	21,828	4,466
Dec 31, 2004	154	21,704	4,602
Dec 31, 2005	158	21,571	4,708
Dec 31, 2006	161	21,443	4,818
Dec 31, 2007	165	21,129	4,918
Dec 31, 2008	168	20,779	5,023
Dec 31, 2009	172	20,607	5,132
Dec 31, 2010	176	20,485	5,246
Dec 31, 2011	180	20,385	5,364
Dec 31, 2012	183	20,296	5,486
Dec 31, 2013	187	20,224	5,613
Dec 31, 2014	190	20,151	5,744
Dec 31, 2015	194	20,055	5,879
Dec 31, 2016	198	19,938	6,019
Dec 31, 2017	201	19,823	6,163
Dec 31, 2018	204	19,713	6,312
Dec 31, 2019	208	19,622	6,461
Dec 31, 2020	212	19,496	6,611
Dec 31, 2021	216	19,351	6,761
Dec 31, 2022	220	19,266	6,910

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

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 São Tomé & Príncipe, Sierra Leone; the database as a whole is cited above.