Cost of living in Saarbrücken (Germany) is 84% more expensive than in Zenica (Bosnia and Herzegovina)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 414 prices entered by 20 different people.
For example, you would need at least 2,763KM (€1,414) in Saarbrücken to maintain the same standard of living that you can have with 1,500KM in Zenica.