Cost of living in Olsztyn (Poland) is about the same as in Zapopan (Mexico)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 332 prices entered by 20 different people.
For example, you would need at least Mex$ 56,867 (11,248 zł) in Olsztyn to maintain the same standard of living that you can have with Mex$ 56,000 in Zapopan.