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

アメリカ合衆国

• 1650 - 1790: McCusker, John J., ‘Colonial Statistics’, Historical Statistics of the United States: Earliest Time to the Present, in S. B. Carter, S. S. Gartner, M. R. Haineset al. New York, Cambridge University Press. V-671.
• 1790 - 1870: Sutch, R. (2006). National Income and Product. Historical Statistics of the United States: Earliest Time to the Present, in S. B. Carter, S. S. Gartner, M. R. Haineset al. New York, Cambridge University Press III-23-25.
• 1800-1830: 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)
• 1820-1950: GDP movement from Maddison (1995a), amended for 1820–70 to include income of the indigenous population (taken to be $400 per capita in 1820 and 1870).

アイスランド

• 1870-1945: Jonsson, G. (1998). The gross domestic product of Iceland, 1870-1945. Nordiska Historiska Nasjonalregnkaper, Artikkelsamling from Workshop IV, Solstrand 13-15 NOvember 1998.

ボツワナ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。