Cost of living in Anchorage, Alaska (United States) is 130% more expensive than 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 1,082 prices entered by 114 different people.
For example, you would need at least 20,660 zł ($5,471) in Anchorage, Alaska to maintain the same standard of living that you can have with 9,000 zł in Łódź.