Cost of living in Teresina (Brazil) is 13% more expensive than in Łódź (Poland)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 497 prices entered by 29 different people.
For example, you would need at least 11,085 zł (R$ 11,445) in Teresina to maintain the same standard of living that you can have with 9,800 zł in Łódź.