Cost of living in Nantes (France) is about the same as 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 261 prices entered by 22 different people.
For example, you would need at least Dirham 18,344 (€4,331) in Nantes to maintain the same standard of living that you can have with Dirham 18,000 in Al Ain.