Cost of living in Jena (Germany) is about the same as in Aguadilla (Puerto Rico)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 79 prices entered by 23 different people.
For example, you would need at least $3,804 (€3,093) in Jena to maintain the same standard of living that you can have with $3,800 in Aguadilla.