Historical GDP (PPP) per capita for each region (in 1990 international dollars)

The following estimates are taken exclusively from the 2007 monograph Contours of the World Economy, 1–2030 AD by the British economist Angus Maddison.[1] For his separate estimate of Roman GDP (PPP) per capita and that of other authors, see below.

Reference 1: Austria, Belgium, Denmark, Finland, France, Germany, Italy, Netherlands, Norway, Sweden, Switzerland, UK, 12 country average, Portugal, Spain, Other, West European average, Eastern Europe, Former USSR, United States, Other Western offshoots, Average Western offshoots, Mexico, Other Latin America, Latin American average, Japan, China, India, Other east Asia, West Asia, Asian average (excl. Japan), Africa and World.

Reference 2: 1, 1000, 1500, 1600, 1700, 1820, 1870, 1913, 1950, 1973 and 2003.

Source: http://en.wikipedia.org/wiki/List_of_regions_by_past_GDP_(PPP)_per_capita