Levels of Gross Domestic Product per capita in Seven Regions

Maddison, Angus: Monitoring the World Economy, 1820–1992, Paris 1995.

Levels of GDP per capita in Seven Regions (in $ of 1990), diagram: Richard Tilly, 2010; data base: Maddison, Angus: Monitoring the World Economy, 1820–1992, Paris 1995.