Country income groups (World Bank classification)
There are huge regional differences in the above trends. Globally, poverty
rates have fallen from 52% in 1981 to 42% in 1990 and to 26%
in 2005. In Sub-Saharan Africa, however, the poverty rate remained
constant at ar...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal