Population, série longue : comparer les pays

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

Grèce

• 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
• 1833-1913: Kostelenos G., S. Petmezas, D. Vasiliou, E. Kounaris and M. Sfakianakis, (2007), "Gross Domestic Product 1830-1939", Sources of Economic History of Modern Greece: Quantitative data and statistical series 1830-1939, Historical Archives of the National Bank of Greece, Athens.
• 1913-1929: C. Clark, Conditions of Economic Progress, 3rd edition, Macmillan, London, 1957; 1929-38 GNP at factor cost from Ekonomikos Tachydromos, 22 May 1954; 1938-50 from OEEC, Europe and the World Economy, Paris 1960, p.116.
• 1929-1950: Maddison, A. Monitoring the World Economy, 1995

Belgique

• 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.

Aucune liste séparée n’est publiée pour Barbade ; la base de données dans son ensemble est citée ci-dessus.