Basic statistics for countries with number of various regions.

All columns except Population and Density limited to: Metropolitan France, Britain, Mainland.http://data.worldbank.org). The columns NUTS1, NUTS2, and NUTS3 refer to the numbers of official administrative regions. Alternative partitions (Alt.) refer to the 11 historical regions of Portugal going back to the Administrative Code of 1936 [27], to the 19 regions of Ivory Coast, and to the 13 regions of Saudi Arabia. Column L1 shows the number of communities found by the community detection algorithm, L2 the number of sub-communitites after iterative application to subnetworks. Density (Dens.) is given in population per square kilometer, population data (Pop.), in millions, is taken from the World Bank, 2011 (