Summary
If you make 532,999,992 ₫ a year living in Vietnam, you will be taxed 136,223,747 ₫. That means that your net pay will be 396,776,245 ₫ per year, or 33,064,687 ₫ per month. Your average tax rate is 25.6% and your marginal tax rate is 32.9%. 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 32.88 ₫, hence, your net pay will only increase by 67.12 ₫.
Bonus Example
A 1,000 ₫ bonus will generate an extra 671 ₫ of net incomes. A 5,000 ₫ bonus will generate an extra 3,356 ₫ of net incomes.