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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	Italy	Thailand
Dec 31, 1999	51,181	56,940	59,748
Dec 31, 2000	52,782	56,966	60,165
Dec 31, 2001	54,453	57,004	60,746
Dec 31, 2002	56,170	57,114	61,323
Dec 31, 2003	57,860	57,423	61,884
Dec 31, 2004	59,599	57,852	62,425
Dec 31, 2005	61,474	58,191	62,956
Dec 31, 2006	63,479	58,424	63,467
Dec 31, 2007	65,590	58,781	63,937
Dec 31, 2008	67,800	59,236	64,381
Dec 31, 2009	70,114	59,580	64,804
Dec 31, 2010	72,550	59,844	65,208
Dec 31, 2011	75,138	60,052	65,599
Dec 31, 2012	77,792	60,216	65,970
Dec 31, 2013	80,534	60,337	66,332
Dec 31, 2014	83,368	60,346	66,673
Dec 31, 2015	86,229	60,255	66,975
Dec 31, 2016	89,193	60,140	67,250
Dec 31, 2017	92,209	60,027	67,506
Dec 31, 2018	95,232	59,902	67,750
Dec 31, 2019	98,320	59,754	67,975
Dec 31, 2020	101,499	59,464	68,180
Dec 31, 2021	104,767	59,158	68,366
Dec 31, 2022	108,171	58,966	68,457

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

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.

Thailand

1820-1900: Maddison, A. Monitoring the World Economy, 1995
1900-50: Sompop Manarungsan, "Economic Development of Thailand, 1850-1950", University of Groningen, Ph. D. thesis, 1989

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