Cost of living in Hamilton (New Zealand) is 62% more expensive than in Addis Ababa (Ethiopia)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 683 prices entered by 89 different people.
For example, you would need at least 129,431 Birr (NZ$6,587) in Hamilton to maintain the same standard of living that you can have with 80,000 Birr in Addis Ababa.