Where a country has multiple capital cities, here we have opted to show the population of the Administrative or Constitutional Capital (as opposed to the Seat of Government, or otherwise).
Data Published By: UN World Urbanization Prospects (2018)
Data publisher source:
CO2 emissions by city - C40 Cities (2018)
City populations (1950-2035) - UN Urbanization Prospects (2018)
Literacy by years of schooling US 1947 – OECD (2014)
Cereal production index - WDI (2017)