Summary
If you make $ 2,238,860 a year living in Taiwan, you will be taxed $ 354,287. That means that your net pay will be $ 1,884,573 per year, or $ 157,048 per month. Your average tax rate is 15.8% and your marginal tax rate is 20.0%. 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 $ 20, hence, your net pay will only increase by $ 80.
Bonus Example
A $ 1,000 bonus will generate an extra $ 800 of net incomes. A $ 5,000 bonus will generate an extra $ 4,000 of net incomes.