Cost of living in Banja Luka (Bosnia and Herzegovina) is 43% cheaper 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 510 prices entered by 27 different people.
For example, to keep the same standard of living that would require Dirham 18,000 in Al Ain you would need to make just about Dirham 10,253 (4,450KM) in Banja Luka.