Notes

[1] Data drawn from Conference Board and Groningen Growth and Development Centre, Total Economy Database (January 2007), http://www.ggdc.net, are measured in constant 1990 purchasing power parities (PPPs) converted into U.S. dollars. World Bank data are based on different conversion factors but show congruent trends.

[2] No internationally comparable data on in-country inequality are available.

[3] The growth rate of real per capita GDP is measured in constant 1990 PPPs.

[4] The estimated total is extended backwards to 1985.