Bevölkerung, Langzeitreihe: Länder vergleichen

GDP pc: 2008 - 2022: Total Economy Database the Conference Board for all countries included in TED. Otherwise UN national accounts statistics

Belgien

• 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.

Saudi-Arabien

• 1820, 1870, 1913, 1950: Pamuk, S. (2006), Estimating Economic Growth in the Middle East since 1820, The Journal of Economic History, vol 66, no. 3, pp. 809 - 828

Kanada

• 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.