New Geography: Alleviating World Poverty: A Progress Report
There has been a substantial reduction in both the extreme poverty rate and the number of people living in extreme poverty since the early 1980s, according to information from the World Bank poverty database. The World Bank maintains data on developing world nations, which include both low income and middle income nations. The analysis below summarizes developing world (low and middle income nations) poverty trends from 1981 to the latest available year, 2008 (Table and Figure 1).
The article also includes this graph:
Go to the article for a number of interesting nuances in how poverty has changed.