Skoufias, Emmanuel - Economics Research, World Bank Group
The continued decline in global poverty over the past 100 years particularly in the past three decades is a remarkable achievement. In 1981, 52 percent of the world population lived on less than $1.25 a day. By 2005, that rate had been cut in half, to 25.0 percent, and by 2008 to 22.2 percent...