Cost of living in San Juan (Puerto Rico) is 65% more expensive than in Ananindeua (Brazil)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 735 prices entered by 71 different people.
For example, you would need at least R$ 6,939 ($1,853) in San Juan to maintain the same standard of living that you can have with R$ 4,200 in Ananindeua.