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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	Switzerland	Italy
Dec 31, 1999	51,181	7,258	56,940
Dec 31, 2000	52,782	7,296	56,966
Dec 31, 2001	54,453	7,332	57,004
Dec 31, 2002	56,170	7,384	57,114
Dec 31, 2003	57,860	7,438	57,423
Dec 31, 2004	59,599	7,488	57,852
Dec 31, 2005	61,474	7,532	58,191
Dec 31, 2006	63,479	7,579	58,424
Dec 31, 2007	65,590	7,647	58,781
Dec 31, 2008	67,800	7,738	59,236
Dec 31, 2009	70,114	7,825	59,580
Dec 31, 2010	72,550	7,884	59,844
Dec 31, 2011	75,138	7,959	60,052
Dec 31, 2012	77,792	8,044	60,216
Dec 31, 2013	80,534	8,137	60,337
Dec 31, 2014	83,368	8,237	60,346
Dec 31, 2015	86,229	8,332	60,255
Dec 31, 2016	89,193	8,423	60,140
Dec 31, 2017	92,209	8,502	60,027
Dec 31, 2018	95,232	8,565	59,902
Dec 31, 2019	98,320	8,626	59,754
Dec 31, 2020	101,499	8,689	59,464
Dec 31, 2021	104,767	8,756	59,158
Dec 31, 2022	108,171	8,834	58,966

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

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

Italy

1451-1861: Chilosi, D., & Ciccarelli, C. (2023). Italy in the Great Divergence: What Can We Learn from Engel’s Law (SSRN Scholarly Paper 4514091).
1861-1871 (North Italy): Malanima, P. (2010), “The long decline of a leading economy: GDP in central and northern Italy, 1300–1913” European Review of Economic History 15 (2): 169–219.
1871-1990: Baffigi, A. (2011).”Italian National Accounts, 1861-2011”, Banca d’Italia Economic History Working Papers 18.

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