Figure 2a: Rural and Urban population by
major regions, 1950, 2011 and 2050 (billions)
Figure 2b: Urban and rural population by
development regions, 1950, 2011 and 2050
(per cent of total population)
Source: United Nations, Department of Economic
and Social Affairs, Population Division: World Urbanization
Prospects, the 2011 Revision.
New York, 2012