By Rakesh Kochhar
The share of the global population that is poor plunged from 29% in 2001 to 15% in 2011, elevating the living standards of 669 million people, according to a new Pew Research Center analysis of the most recently available data. The magnitude of this decline seems to be without precedent in the past two centuries.
Full article: http://www.pewresearch.org/fact-tank/2015/07/22/what-it-means-to-be-poor-by-global-standards/