Summary
If you make 1,170,000,000 ₫ a year living in Vietnam, you will be taxed 367,792,810 ₫. That means that your net pay will be 802,207,190 ₫ per year, or 66,850,599 ₫ per month. Your average tax rate is 31.4% and your marginal tax rate is 37.9%. 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 37.86 ₫, hence, your net pay will only increase by 62.14 ₫.
Bonus Example
A 1,000 ₫ bonus will generate an extra 621 ₫ of net incomes. A 5,000 ₫ bonus will generate an extra 3,107 ₫ of net incomes.