Cost of living in Tangier (Morocco) is 68% cheaper than in Geneva (Switzerland)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 783 prices entered by 97 different people.
For example, to keep the same standard of living that would require CHF 13,000 in Geneva you would need to make just about CHF 4,104 (39,401 Dirham) in Tangier.