CartogramsHistorical MapsPopulationWorld The World’s population In 1900 August 1, 2015 Alex This post may contain affiliate links. As an Amazon Associate, we earn from qualifying purchases.1 square = 500,000 people. Related Posts:Top 5 Largest Cities Throughout HistoryPetroleum consumptionThe Most and Least Expensive American NeighborhoodsBritish map describing how civilized they meant the…Similar sized countries over US States and Canadian…Roundwood production by countryCountries where the capital isn't the largest cityMaps of the Great Lakes