Cost of living in Galle (Sri Lanka) is 16% 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 73 prices entered by 7 different people.
For example, to keep the same standard of living that would require 292,000 ﷼ in Aden you would need to make just about 245,129 ﷼ (150,147 ₨) in Galle.