Cost of living in Sagamihara (Japan) is 76% 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 89 prices entered by 6 different people.
For example, you would need at least 475,716 ﷼ (¥215,164) in Sagamihara to maintain the same standard of living that you can have with 270,000 ﷼ in Aden.