Cost of living in Montclair, New Jersey (United States) is 62% 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 1,041 prices entered by 114 different people.
For example, you would need at least Dinar 3,239 ($4,565) in Montclair, New Jersey to maintain the same standard of living that you can have with Dinar 2,000 in Amman.