Cost of living in Teresina (Brazil) is 12% 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 465 prices entered by 30 different people.
For example, you would need at least 7,396 zł (R$ 8,322) in Teresina to maintain the same standard of living that you can have with 6,600 zł in Łódź.