Most of these poor are in developing countries of the world. Sub-Saharan Africa has the highest numbers of persons living below the poverty line.
According to the World Bank, studies by Bhalla (2002) and Sala-i-Martin (2002) claim that the "number of people living in extreme poverty has fallen more sharply than as indicated by World Bank estimates". The duo suggests that first World Bank's Millennium Development Goal (MDG) of halving the poverty rate by 2015 had in fact reached in 2000. In contrast other studies have stated that there has been no such decline as claimed by the World Bank. Reddy and Pogge (2002) and Wade (2002), in their assessment states that "the rate of decline in poverty is overstated by World Bank estimates."
These varying views are based on the various definitions or just understanding of what global poverty really is. The methods of measuring and assessing poverty data around the world also contributes to this differing school of thoughts.
According to the World Bank (2008a) the world's population living under extreme poverty dropped from 28 percent to 21 percent from 1990 to 2001 in developing countries around the world. The regions of East and South Asia witnessed most of the decline. ...