Cost of living in Lisbon (Portugal) is 31% cheaper than in Boulder, Colorado (United States)

This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 870 prices entered by 154 different people.
For example, to keep the same standard of living that would require $6,600 in Boulder, Colorado you would need to make just about $4,587 (€3,881) in Lisbon.

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