metro: Spatial data of metropolitan areas
Description
Spatial data of metropolitan areas, of class SpatialPointsDataFrame
. The data includes a population times series from 1950 to (forecasted) 2030. All metro areas with over 1 million inhabitants in 2010 are included.
References
United Nations, Department of Economic and Social Affairs, Population Division (2014). World Urbanization Prospects: The 2014 Revision, CD-ROM Edition.