Cost of living in Erie, Pennsylvania (United States) is 20% more expensive than in Amman (Jordan)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 1,472 prices entered by 141 different people.
For example, you would need at least Dinar 1,913 ($2,692) in Erie, Pennsylvania to maintain the same standard of living that you can have with Dinar 1,600 in Amman.