Cost of living in Sendai (Japan) is 65% 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 119 prices entered by 9 different people.
For example, you would need at least 473,318 ﷼ (¥212,134) in Sendai to maintain the same standard of living that you can have with 286,000 ﷼ in Aden.