Population, long-run history: compare countries

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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	Portugal	Romania	Sierra Leone
Dec 31, 1999	10,144	22,414	3,736
Dec 31, 2000	10,215	22,262	3,809
Dec 31, 2001	10,288	22,106	4,043
Dec 31, 2002	10,344	21,931	4,287
Dec 31, 2003	10,383	21,828	4,466
Dec 31, 2004	10,408	21,704	4,602
Dec 31, 2005	10,427	21,571	4,708
Dec 31, 2006	10,446	21,443	4,818
Dec 31, 2007	10,467	21,129	4,918
Dec 31, 2008	10,482	20,779	5,023
Dec 31, 2009	10,492	20,607	5,132
Dec 31, 2010	10,497	20,485	5,246
Dec 31, 2011	10,481	20,385	5,364
Dec 31, 2012	10,439	20,296	5,486
Dec 31, 2013	10,382	20,224	5,613
Dec 31, 2014	10,326	20,151	5,744
Dec 31, 2015	10,283	20,055	5,879
Dec 31, 2016	10,251	19,938	6,019
Dec 31, 2017	10,226	19,823	6,163
Dec 31, 2018	10,209	19,713	6,312
Dec 31, 2019	10,212	19,622	6,461
Dec 31, 2020	10,223	19,496	6,611
Dec 31, 2021	10,214	19,351	6,761
Dec 31, 2022	10,200	19,266	6,910

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,

Romania

1862–1995: Axenciuc, V. (2012). Produsul intern brut al Romaniei, Vol. 1, Institutl de Economie Nationala, Bucarest
1915-1919 & 1949: Voinea, L., Cojocaru, A., Costache, B., Grigoraș, V., Lovin, H., Neagu, C., Orțan, D., & Tănase, A. (2019). One Hundred Years of Honesty: Recovering the Lost Memory of the Romanian Economy 1918-2018.

No separate list is published for Sierra Leone; the database as a whole is cited above.