Summary
If you make 42,120,000 دج a year living in Algeria, you will be taxed 16,968,420 دج. That means that your net pay will be 25,151,580 دج per year, or 2,095,965 دج per month. Your average tax rate is 40.3% and your marginal tax rate is 40.9%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of 100 دج in your salary will be taxed 40.85 دج, hence, your net pay will only increase by 59.15 دج.
Bonus Example
A 1,000 دج bonus will generate an extra 592 دج of net incomes. A 5,000 دج bonus will generate an extra 2,958 دج of net incomes.