Cost of living in Tehran (Iran) is about the same as in Zrenjanin (Serbia)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 4,346 prices entered by 445 different people.
For example, to keep the same standard of living that would require 70,000 Дин. in Zrenjanin you would need to make just about 68,622 Дин. (﷼ 24,069,004) in Tehran.