Cost of living in Albuquerque, New Mexico (United States) is 10% cheaper than in Zaragoza (Spain)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 523 prices entered by 78 different people.
For example, to keep the same standard of living that would require €2,800 in Zaragoza you would need to make just about €2,525 ($3,099) in Albuquerque, New Mexico.