Cost of living in Tacna (Peru) is 68% cheaper than in Aarau (Switzerland)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 154 prices entered by 13 different people.
For example, to keep the same standard of living that would require CHF 6,100 in Aarau you would need to make just about CHF 1,936 (S/. 6,435) in Tacna.