Cost of living in Christchurch (New Zealand) is 49% more expensive than in Almería (Spain)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 553 prices entered by 59 different people.
For example, you would need at least €3,127 (NZ$5,228) in Christchurch to maintain the same standard of living that you can have with €2,100 in Almería.