A map showing the population density of South America around 1910. The map shows the regions where population density ranges from under two inhabitants per square mile to regions of population over 512 inhabitants per square mile. Cities with over 100,000 inhabitants are shown, and include the cities of Bogota in the north, Lima, Pernambuca, Bahia, Rio de Janeiro, Sao Paulo, Valparaiso, Santiago, Rosario, Montevideo, and Buenos Aires.