Cost of living in Maribor (Slovenia) is 18% cheaper than in Pretoria (South Africa)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 689 prices entered by 80 different people.
For example, to keep the same standard of living that would require R 35,000 in Pretoria you would need to make just about R 28,755 (€1,794) in Maribor.