Cost of living in Constantine (Algeria) is 30% cheaper than in Łódź (Poland)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 237 prices entered by 21 different people.
For example, to keep the same standard of living that would require 8,600 zł in Łódź you would need to make just about 6,001 zł (189,016 Dinar) in Constantine.