Cost of living in Cape Town (South Africa) is 89% more expensive than in Aguascalientes (Mexico)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 2,186 prices entered by 233 different people.
For example, you would need at least Mex$ 37,714 (R 23,505) in Cape Town to maintain the same standard of living that you can have with Mex$ 20,000 in Aguascalientes.