Cost of living in Antananarivo (Madagascar) is 11% cheaper than in Zanzibar (Tanzania)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 186 prices entered by 17 different people.
For example, to keep the same standard of living that would require 3,380,000 Shilling in Zanzibar you would need to make just about 3,005,412 Shilling (4,251,165 Ariary) in Antananarivo.