Источники:
: Angus Maddison, The World Economy: A Millennial Perspective
(Paris, OECD, 2001), pp. 31, 126; F. Bourguignon and C. Morrison,
The Size Distribution of Income among World Citizens 1820-1990
(mimeo, 1999); World Bank, World Development Report 2000/2001
(New York, Oxford University Press, 2001); UNESCO, World Illiteracy
at Mid-Century (Paris, 1957) и Education for All Year 2000 Assessment
(New York, 2000); World Bank, World Development Indicators (Washington
D.C., 2001); United Nations, World Population Prospects: The
1996 Revision (New York, 1997).
a
По паритету покупательной способности.
b В 1992 году.
c В период 1950-1955 годов.