For many countries of the world, as well as for continents, regions grouped by income, geography and other factors, the data set contains series of rural, urban, total coverage by mobile networks, as well as rural, urban, and total population. The data set also contains the sources of data, and the detailed results of various equations fitted to the data, as per the linked paper. These equations describe an inequality relationship between total and rural coverage by mobile networks. They predict the rural coverage as a function of the total coverage by mobile networks. (2024-12-13)