The paper presents a major overhaul to the World Bank's past estimates of global poverty, incorporating new and better … data. Extreme poverty-as judged by what quot;povertyquot; means in the world's poorest countries-is found to be more … the early 1980s. For 2005 we estimate that 1.4 billion people, or one quarter of the population of the developing world …

Sustainable Development Goals and the World Bank?s twin goals, the new poverty line was chosen so as to preserve the definition … the global count, we find 12.7 percent of the world?s population, or 897 million people, are living in extreme poverty …

), analysts and institutions are confronted with the question of whether and how to use them for global poverty estimation. The … previous round of PPP data from 2005 led to a large increase in the estimated number of poor in the world. The 2011 price data … world. This paper presents evidence that if the global poverty line is updated with the 2011 PPP data based on the same set …

surveys, 99 percent of the variance in the observed changes in PPPs is explicable. Using a nested test, the World Bank …

innovations underlie this approach. The first is the estimation of a global demand system using a combination of micro-data from … household surveys and macro-data from the International Comparisons Project (ICP). Estimation is undertaken in a manner that … disaggregated, individual household demands. The second innovation relates to a methodology for post-estimation calibration of the …