Cost of living in Bologna (Italy) is 69% more expensive than in Aden (Yemen)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 246 prices entered by 45 different people.
For example, you would need at least 436,910 ﷼ (€1,422) in Bologna to maintain the same standard of living that you can have with 259,000 ﷼ in Aden.