Summary
If you make 1,008,800,000 ₫ a year living in Vietnam, you will be taxed 306,674,285 ₫. That means that your net pay will be 702,125,715 ₫ per year, or 58,510,476 ₫ per month. Your average tax rate is 30.4% and your marginal tax rate is 38.0%. 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 37.98 ₫, hence, your net pay will only increase by 62.02 ₫.
Bonus Example
A 1,000 ₫ bonus will generate an extra 620 ₫ of net incomes. A 5,000 ₫ bonus will generate an extra 3,101 ₫ of net incomes.