You would need around 4,250.46€ (505,466.43DZD) in Paris to maintain the same standard of life that you can have with 150,000.00DZD in Algiers (assuming you rent in both cities). This calculation uses our Consumer Prices Including Rent Index. This comparison assumes net earnings (after income tax).
So Algiers is good city if you want to do economy.
Source: Cost of Living Comparison Between Algiers, Algeria And Paris, France