Cost of living in Tunis (Tunisia) is 33% cheaper than in Zuwarah (Libya)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 612 prices entered by 70 different people.
For example, to keep the same standard of living that would require 1,800 Dinar in Zuwarah you would need to make just about 1,208 Dinar (2,322 Dinar) in Tunis.