Cost of living in Christchurch (New Zealand) is about the same as in Aalborg (Denmark)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 375 prices entered by 66 different people.
For example, you would need at least kr25,667 (NZ$5,689) in Christchurch to maintain the same standard of living that you can have with kr25,000 in Aalborg.