Summary
If you make 158,999,376 ₫ a year living in Vietnam, you will be taxed 29,040,601 ₫. That means that your net pay will be 129,958,775 ₫ per year, or 10,829,898 ₫ per month. Your average tax rate is 18.3% and your marginal tax rate is 23.9%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of 100 ₫ in your salary will be taxed 23.92 ₫, hence, your net pay will only increase by 76.08 ₫.
Bonus Example
A 1,000 ₫ bonus will generate an extra 761 ₫ of net incomes. A 5,000 ₫ bonus will generate an extra 3,804 ₫ of net incomes.