Summary
If you make 142,735,840 ₫ a year living in Vietnam, you will be taxed 25,186,025 ₫. That means that your net pay will be 117,549,815 ₫ per year, or 9,795,818 ₫ per month. Your average tax rate is 17.7% and your marginal tax rate is 22.1%. 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 22.08 ₫, hence, your net pay will only increase by 77.92 ₫.
Bonus Example
A 1,000 ₫ bonus will generate an extra 779 ₫ of net incomes. A 5,000 ₫ bonus will generate an extra 3,896 ₫ of net incomes.