Population Comparison: São Paulo VS. Rio de Janeiro

São Paulo and Rio de Janeiro are the two most populous cities of Brazil. Their expansion is really interesting for take note and put in a chart. Since 1940, big changes occurred with both cities. When the changing of capitals from Rio to Brasília started in 1960, Rio saw São Paulo, start a big and vertiginous expansion, which made it a megalopolis, with actually the double of population. Let’s see their population through the years?