Cost of living in Kigali (Rwanda) is 45% cheaper than in Aberdeen (United Kingdom)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 629 prices entered by 49 different people.
For example, to keep the same standard of living that would require £4,000 in Aberdeen you would need to make just about £2,193 (2,526,256 Franc) in Kigali.