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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	Poland	Congo - Kinshasa	Switzerland
Dec 31, 1999	38,358	51,181	7,258
Dec 31, 2000	38,344	52,782	7,296
Dec 31, 2001	38,339	54,453	7,332
Dec 31, 2002	38,320	56,170	7,384
Dec 31, 2003	38,283	57,860	7,438
Dec 31, 2004	38,268	59,599	7,488
Dec 31, 2005	38,249	61,474	7,532
Dec 31, 2006	38,220	63,479	7,579
Dec 31, 2007	38,204	65,590	7,647
Dec 31, 2008	38,204	67,800	7,738
Dec 31, 2009	38,572	70,114	7,825
Dec 31, 2010	38,606	72,550	7,884
Dec 31, 2011	38,615	75,138	7,959
Dec 31, 2012	38,623	77,792	8,044
Dec 31, 2013	38,591	80,534	8,137
Dec 31, 2014	38,573	83,368	8,237
Dec 31, 2015	38,544	86,229	8,332
Dec 31, 2016	38,516	89,193	8,423
Dec 31, 2017	38,511	92,209	8,502
Dec 31, 2018	38,502	95,232	8,565
Dec 31, 2019	38,475	98,320	8,626
Dec 31, 2020	38,443	101,499	8,689
Dec 31, 2021	38,250	104,767	8,756
Dec 31, 2022	37,914	108,171	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

Poland

1409–1913: Malinowski, M. and Van Zanden (2017), “National income and its distribution in preindustrial Poland in a global perspective” Cliometrica, Volume 11, Issue 3, pp 375–40
1913-1929: Maddison, A. Monitoring the World Economy, 1995
1929-1938: K. Laski, Akumulacja i spozycie w procesie uprzemyslowienia Polski Ludowej, Ksiazka i Wiedza, Warsaw, 1956, pp. 86-90
1937-1950: T.P. Alton (1970), p. 46,

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.