Cost of living in Sagamihara (Japan) is 74% more expensive than in Aden (Yemen)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 88 prices entered by 5 different people.
For example, you would need at least 484,721 ﷼ (¥220,486) in Sagamihara to maintain the same standard of living that you can have with 279,000 ﷼ in Aden.