Tatuapé, Brazil

With a population of 91,672, Tatuapé is a tale of two neighborhoods. The southern half has seen rapid gentrification, boasting high per capita incomes and the tallest building in São Paulo. But the northern Parque São Jorge area remains a mix of light industry and middle-class housing. While the district enjoys the highest life expectancy in the city at 80 years, the legacy of heavy industrialization has left a persistent bureaucratic headache. Tatuapé may appeal to those seeking an affluent enclave, but its divided character and environmental baggage make it a poor choice for those seeking an easy transition.