Cost of living in Galle (Sri Lanka) is 19% 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 64 prices entered by less than 5 different people.
For example, to keep the same standard of living that would require 259,000 ﷼ in Aden you would need to make just about 208,840 ﷼ (142,530 ₨) in Galle.