Summary
If you make $ 2,181,920 a year living in Taiwan, you will be taxed $ 342,566. That means that your net pay will be $ 1,839,354 per year, or $ 153,279 per month. Your average tax rate is 15.7% and your marginal tax rate is 21.2%. 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 $ 21.18, hence, your net pay will only increase by $ 78.82.
Bonus Example
A $ 1,000 bonus will generate an extra $ 788 of net incomes. A $ 5,000 bonus will generate an extra $ 3,941 of net incomes.