Cost of living in Bushehr (Iran) is 10% more expensive than in Amman (Jordan)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 1,551 prices entered by 140 different people.
For example, you would need at least Dinar 1,984 (﷼ 98,951,879) in Bushehr to maintain the same standard of living that you can have with Dinar 1,800 in Amman.