Cost of living in Maringá (Brazil) is about the same as in Łódź (Poland)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 441 prices entered by 32 different people.
For example, you would need at least 7,691 zł (R$ 8,501) in Maringá to maintain the same standard of living that you can have with 7,500 zł in Łódź.