Cost of living in Nagaoka (Japan) is about the same as in Al Mawsil al Jadidah (Iraq)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on less than 10 prices entered by less than 5 different people.
For example, you would need at least 808,932 Dinar (¥73,192) in Nagaoka to maintain the same standard of living that you can have with 790,000 Dinar in Al Mawsil al Jadidah.