Cost of living in Accra (Ghana) is 17% cheaper than in Arezzo (Italy)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 342 prices entered by 50 different people.
For example, to keep the same standard of living that would require €2,300 in Arezzo you would need to make just about €1,898 (GH₵10,733) in Accra.