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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	Italy	Slovenia	Congo - Kinshasa
Dec 31, 1999	56,940	1,998	51,181
Dec 31, 2000	56,966	2,004	52,782
Dec 31, 2001	57,004	2,006	54,453
Dec 31, 2002	57,114	2,009	56,170
Dec 31, 2003	57,423	2,010	57,860
Dec 31, 2004	57,852	2,011	59,599
Dec 31, 2005	58,191	2,015	61,474
Dec 31, 2006	58,424	2,022	63,479
Dec 31, 2007	58,781	2,033	65,590
Dec 31, 2008	59,236	2,036	67,800
Dec 31, 2009	59,580	2,056	70,114
Dec 31, 2010	59,844	2,063	72,550
Dec 31, 2011	60,052	2,067	75,138
Dec 31, 2012	60,216	2,071	77,792
Dec 31, 2013	60,337	2,074	80,534
Dec 31, 2014	60,346	2,076	83,368
Dec 31, 2015	60,255	2,078	86,229
Dec 31, 2016	60,140	2,079	89,193
Dec 31, 2017	60,027	2,081	92,209
Dec 31, 2018	59,902	2,087	95,232
Dec 31, 2019	59,754	2,104	98,320
Dec 31, 2020	59,464	2,118	101,499
Dec 31, 2021	59,158	2,123	104,767
Dec 31, 2022	58,966	2,124	108,171

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.

Slovenia

1952-2008: Milanovic (2011). Estimates provided to the Maddison-Project

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