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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	Congo - Kinshasa	Romania	Switzerland
Dec 31, 1999	51,181	22,414	7,258
Dec 31, 2000	52,782	22,262	7,296
Dec 31, 2001	54,453	22,106	7,332
Dec 31, 2002	56,170	21,931	7,384
Dec 31, 2003	57,860	21,828	7,438
Dec 31, 2004	59,599	21,704	7,488
Dec 31, 2005	61,474	21,571	7,532
Dec 31, 2006	63,479	21,443	7,579
Dec 31, 2007	65,590	21,129	7,647
Dec 31, 2008	67,800	20,779	7,738
Dec 31, 2009	70,114	20,607	7,825
Dec 31, 2010	72,550	20,485	7,884
Dec 31, 2011	75,138	20,385	7,959
Dec 31, 2012	77,792	20,296	8,044
Dec 31, 2013	80,534	20,224	8,137
Dec 31, 2014	83,368	20,151	8,237
Dec 31, 2015	86,229	20,055	8,332
Dec 31, 2016	89,193	19,938	8,423
Dec 31, 2017	92,209	19,823	8,502
Dec 31, 2018	95,232	19,713	8,565
Dec 31, 2019	98,320	19,622	8,626
Dec 31, 2020	101,499	19,496	8,689
Dec 31, 2021	104,767	19,351	8,756
Dec 31, 2022	108,171	19,266	8,834

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.

Switzerland

1: Scheidel, W. and Friesen, S. J., ‘The size of the economy and the distribution of income in the Roman Empire’, Journal of Roman Studies, 99 (2009), pp. 61–91
1850-2011: Stohr, Christian (2016), Trading Gains: new estimates of Swiss GDP, 1851-2008. Economic History Working Papers, 245/2016. London School of Economics and Political Science, Economic History Department, London, UK

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