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;

スペイン

• 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
• 1270-1850: Álvarez-Nogal, C. and L. Prados de la Escosura (2013). "The Rise and Fall of Spain (1270-1850)," Economic History Review, 66, 1, 1-37, using their annual benchmarks
• 1850–2011: Prados de la Escosura, L. (2017), Spanish Economic Growth, 1850-2015 (London: Palgrave Macmillan)

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。