This supplement to World Development Indicators 2008 provides estimates of global poverty that are the first re-evaluation of the World Bank’s “$1 a day” poverty line since 1999. The international poverty line has been recalibrated at $1.25 a day, using new data on purchasing power parities (PPPs), compiled by the International Comparison Program, and an expanded set of household income and expenditure surveys. New measurements of the extent and depth of poverty are presented here for 115 developing countries, along with poverty measurements based on their national poverty lines.
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