Summary
If you make $ 2,504,684 a year living in Taiwan, you will be taxed $ 411,865. That means that your net pay will be $ 2,092,819 per year, or $ 174,402 per month. Your average tax rate is 16.4% and your marginal tax rate is 25.9%. 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 $ 25.90, hence, your net pay will only increase by $ 74.10.
Bonus Example
A $ 1,000 bonus will generate an extra $ 741 of net incomes. A $ 5,000 bonus will generate an extra $ 3,705 of net incomes.