Cost of living in Bydgoszcz (Poland) is 52% cheaper than in Anchorage, Alaska (United States)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 560 prices entered by 80 different people.
For example, to keep the same standard of living that would require $6,400 in Anchorage, Alaska you would need to make just about $3,072 (10,939 zł) in Bydgoszcz.