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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	Trinidad & Tobago	Canada
Dec 31, 1999	56,940	1,301	30,510
Dec 31, 2000	56,966	1,303	30,796
Dec 31, 2001	57,004	1,308	31,132
Dec 31, 2002	57,114	1,314	31,473
Dec 31, 2003	57,423	1,320	31,758
Dec 31, 2004	57,852	1,326	32,055
Dec 31, 2005	58,191	1,332	32,360
Dec 31, 2006	58,424	1,338	32,688
Dec 31, 2007	58,781	1,344	33,007
Dec 31, 2008	59,236	1,352	33,367
Dec 31, 2009	59,580	1,359	33,750
Dec 31, 2010	59,844	1,365	34,127
Dec 31, 2011	60,052	1,372	34,463
Dec 31, 2012	60,216	1,379	34,839
Dec 31, 2013	60,337	1,386	35,209
Dec 31, 2014	60,346	1,392	35,565
Dec 31, 2015	60,255	1,399	35,831
Dec 31, 2016	60,140	1,405	36,239
Dec 31, 2017	60,027	1,411	36,677
Dec 31, 2018	59,902	1,436	37,198
Dec 31, 2019	59,754	1,452	37,736
Dec 31, 2020	59,464	1,448	38,174
Dec 31, 2021	59,158	1,450	38,383
Dec 31, 2022	58,966	1,456	38,685

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.

Canada

1820-1850: Maddison, A. Monitoring the World Economy, 1995
1851-70: O.J. Firestone, "Canada's Changing Economy in the Second Half of the 19th Century", NBER, New York, 1957, processed, amended for 1820–70 to include income of the indigenous population (taken to be $400 per capita in 1820 and 1870)
1870-1926: M.C. Urquart and Associates, ed., Gross National Product, Canada 1870-1926: The Derivation of the Estimates, McGill Queen's University Press, Montreal, 1993, pp. 11-12 and 24-5,
1926-1950: Statistics Canada, National Income and Expenditure Accounts, vol. 1, The Annual Estimates 1926-1974, Ottawa, 1975, p. 323. 1960 onwards from OECD, National Accounts.

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