Figure (a): UNDP, 1992Human Development Report 1992: Global Dimensions of Human DevelopmentUnited Nations Development Programme, New York
2.
Figure (b): DaviesJ BSandströmSShorrocksAWolffE N, 2008, “The world distribution of household wealth”, DP 2008/03, World Institute for Development Economics Research, United Nations University, Helsinki
3.
Figure (c): UN DESA, 2006World Economic Situation and ProspectsUnited Nations Department of Economic and Social Affairs, New York
4.
Figure (d): BlackR EMorrisS SBryceJ, “Where and why are 10 million children dying every year?”The Lancet3612226–2234
5.
Figure (e): UNFPA, 1998The State of World Population 1998: The New GenerationsUnited Nations Population Fund, New York