metro {tmap} | R Documentation |
Spatial data of metropolitan areas, of class sf
. The data includes a population times series from 1950 to (forecasted) 2030. All metro areas with over 1 million inhabitants in 2010 are included.
data(metro)
https://population.un.org/wup/
United Nations, Department of Economic and Social Affairs, Population Division (2014). World Urbanization Prospects: The 2014 Revision, CD-ROM Edition.