Summary
If you make 420,333,333 دج a year living in Algeria, you will be taxed 171,468,567 دج. That means that your net pay will be 248,864,766 دج per year, or 20,738,731 دج per month. Your average tax rate is 40.8% 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.