Summary
If you make 171,500,160 ₫ a year living in Vietnam, you will be taxed 32,031,413 ₫. That means that your net pay will be 139,468,747 ₫ per year, or 11,622,396 ₫ per month. Your average tax rate is 18.7% 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 23.93 ₫, hence, your net pay will only increase by 76.07 ₫.
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.