Cost of living in Busan (South Korea) 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 291 prices entered by 23 different people.
For example, to keep the same standard of living that would require Dirham 17,000 in Al Ain you would need to make just about Dirham 16,349 (₩5,035,631) in Busan.