Cost of living in Hamilton (New Zealand) is 61% 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 865 prices entered by 104 different people.
For example, you would need at least 176,752 Birr (NZ$9,352) in Hamilton to maintain the same standard of living that you can have with 110,000 Birr in Addis Ababa.