Cost of living in Miyazaki (Japan) is 75% more expensive than in Abuja (Nigeria)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 263 prices entered by 18 different people.
For example, you would need at least 2,862,338 ₦ (¥895,051) in Miyazaki to maintain the same standard of living that you can have with 1,640,000 ₦ in Abuja.