Cost of living in Hamilton (New Zealand) is 50% more expensive than in Addis Ababa (Ethiopia)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 739 prices entered by 103 different people.
For example, you would need at least 159,338 Birr (NZ$8,322) in Hamilton to maintain the same standard of living that you can have with 106,000 Birr in Addis Ababa.