Cost of living in Omsk (Russia) is 27% cheaper 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 63 prices entered by 5 different people.
For example, to keep the same standard of living that would require 294,000 ﷼ in Aden you would need to make just about 213,888 ﷼ (руб 57,324) in Omsk.