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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	Belgium	Trinidad & Tobago
Dec 31, 1999	56,940	10,227	1,301
Dec 31, 2000	56,966	10,252	1,303
Dec 31, 2001	57,004	10,288	1,308
Dec 31, 2002	57,114	10,334	1,314
Dec 31, 2003	57,423	10,377	1,320
Dec 31, 2004	57,852	10,422	1,326
Dec 31, 2005	58,191	10,480	1,332
Dec 31, 2006	58,424	10,549	1,338
Dec 31, 2007	58,781	10,627	1,344
Dec 31, 2008	59,236	10,711	1,352
Dec 31, 2009	59,580	10,797	1,359
Dec 31, 2010	59,844	10,897	1,365
Dec 31, 2011	60,052	11,039	1,372
Dec 31, 2012	60,216	11,108	1,379
Dec 31, 2013	60,337	11,160	1,386
Dec 31, 2014	60,346	11,210	1,392
Dec 31, 2015	60,255	11,275	1,399
Dec 31, 2016	60,140	11,332	1,405
Dec 31, 2017	60,027	11,376	1,411
Dec 31, 2018	59,902	11,429	1,436
Dec 31, 2019	59,754	11,491	1,452
Dec 31, 2020	59,464	11,546	1,448
Dec 31, 2021	59,158	11,594	1,450
Dec 31, 2022	58,966	11,695	1,456

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.

Belgium

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
1500- 1846: Buyst, E. (2011), “Towards Estimates of Long Term Growth in the Southern Low Countries, ca.1500-1846”, Results presented at the Conference on Quantifying Long Run Economic Development, Venice, 22-24 March, 2011
1846-1913: J. Gadisseur, "Contribution à l'étude de la production agricole en Belgique de 1846 à 1913", Revue belge d'histoire contemporaine, vol. IV, 1-2, 1973,
1913-1950: C. Carbonnelle, "Recherches sur levolution de la production en Belgique de 1900à 1957", Cahiers Economiques de Bruxelles, no. 3, April 1959, p. 358.

No separate list is published for Trinidad & Tobago; the database as a whole is cited above.