人口（長期史）：国を比較

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

ブラジル

• 1800 - 1870: Prados de la Escosura, L. (2009). “Lost Decades? Economic Performance in Post-Independence Latin America,” Journal of Latin America Studies 41: 279–307 (updated data)
• 1850–1899: Barro, R.J. and J.F. Ursua, (2008). “Macroeconomic Crises since 1870” Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 39(1 (Spring), pages 255-350
• 1900-1950: A. Maddison and Associates, The Political Economy of Poverty, Equity and Growth: Brazil and Mexico, Oxford University Press, New York 1992;

ベルギー

• 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.

カタールについては個別の出典一覧は公表されていません。上に示したデータベース全体を出典としています。