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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	Portugal	Switzerland
Dec 31, 1999	51,181	10,144	7,258
Dec 31, 2000	52,782	10,215	7,296
Dec 31, 2001	54,453	10,288	7,332
Dec 31, 2002	56,170	10,344	7,384
Dec 31, 2003	57,860	10,383	7,438
Dec 31, 2004	59,599	10,408	7,488
Dec 31, 2005	61,474	10,427	7,532
Dec 31, 2006	63,479	10,446	7,579
Dec 31, 2007	65,590	10,467	7,647
Dec 31, 2008	67,800	10,482	7,738
Dec 31, 2009	70,114	10,492	7,825
Dec 31, 2010	72,550	10,497	7,884
Dec 31, 2011	75,138	10,481	7,959
Dec 31, 2012	77,792	10,439	8,044
Dec 31, 2013	80,534	10,382	8,137
Dec 31, 2014	83,368	10,326	8,237
Dec 31, 2015	86,229	10,283	8,332
Dec 31, 2016	89,193	10,251	8,423
Dec 31, 2017	92,209	10,226	8,502
Dec 31, 2018	95,232	10,209	8,565
Dec 31, 2019	98,320	10,212	8,626
Dec 31, 2020	101,499	10,223	8,689
Dec 31, 2021	104,767	10,214	8,756
Dec 31, 2022	108,171	10,200	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

Portugal

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
1530–1850: Palma, N., & Reis, J. (2019). From Convergence to Divergence: Portuguese Economic Growth, 1527–1850. The Journal of Economic History, 79(2), 477-506. doi:10.1017/S0022050719000056
1850-1913: Pedro Lains, "How Far Can We Go? Measuring Portuguese Economic Growth (1850-1913)"
1938-1950: R. Janes Cartado and N.E. Sequeira da Rosa, Series Longas as Contas Nacionais Portuguesas 1958-1985, Banco de Portugal, Lisbon,

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.