Cost of living in New Haven, Connecticut (United States) is 13% more expensive than in Al Ain (United Arab Emirates)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 402 prices entered by 33 different people.
For example, you would need at least Dirham 22,700 ($6,180) in New Haven, Connecticut to maintain the same standard of living that you can have with Dirham 20,000 in Al Ain.