Summary
If you make 117,572,000 ₫ a year living in Vietnam, you will be taxed 19,867,754 ₫. That means that your net pay will be 97,704,246 ₫ per year, or 8,142,021 ₫ per month. Your average tax rate is 16.9% and your marginal tax rate is 19.5%. 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 19.45 ₫, hence, your net pay will only increase by 80.55 ₫.
Bonus Example
A 1,000 ₫ bonus will generate an extra 806 ₫ of net incomes. A 5,000 ₫ bonus will generate an extra 4,028 ₫ of net incomes.