Cost of living in Stuttgart (Germany) is 8% 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 480 prices entered by 63 different people.
For example, you would need at least Dirham 17,281 (€4,086) in Stuttgart to maintain the same standard of living that you can have with Dirham 16,000 in Al Ain.