Cost of living in Durban (South Africa) is about the same as in Zapopan (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 780 prices entered by 71 different people.
For example, you would need at least Mex$ 60,705 (R 46,382) in Durban to maintain the same standard of living that you can have with Mex$ 60,000 in Zapopan.