Cost of living in Joinville (Brazil) is about the same as 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 496 prices entered by 40 different people.
For example, you would need at least 1,780,268 ₦ (R$ 18,200) in Joinville to maintain the same standard of living that you can have with 1,730,000 ₦ in Abuja.