Summary
If you make 40,691,040 BHD a year living in Bahrain, you will be taxed 410,270 BHD. That means that your net pay will be 40,280,770 BHD per year, or 3,356,731 BHD per month. Your average tax rate is 1.0% and your marginal tax rate is 1.0%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of 100 BHD in your salary will be taxed 1 BHD, hence, your net pay will only increase by 99 BHD.
Bonus Example
A 1,000 BHD bonus will generate an extra 990 BHD of net incomes. A 5,000 BHD bonus will generate an extra 4,950 BHD of net incomes.