“Total population, both sexes combined” by UNdata, the statistical division of the United Nations. This data was put together by the Department of Economic and Social Affairs – Population Division, Populations Estimates, Projections Section. This data forms part of “World Population Prospects: The 2012 Revision“, the latest available data from the United Nations. Data last updated by the UNdata on 20 August 2013.
UNdata is the statistics division of the United Nations. It collects data from most nations Worldwide, and publishes it for public consumption. All data provided by UNdata may be copied freely, duplicated and further distributed under conditions - website