Cost of living in Jeddah (Saudi Arabia) is 70% more expensive than in Alexandria (Egypt)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 876 prices entered by 85 different people.
For example, you would need at least E£ 27,142 (﷼ 5,680) in Jeddah to maintain the same standard of living that you can have with E£ 16,000 in Alexandria.