Summary
If you make $ 1,252,514 a year living in Taiwan, you will be taxed $ 144,932. That means that your net pay will be $ 1,107,582 per year, or $ 92,298 per month. Your average tax rate is 11.6% and your marginal tax rate is 18.4%. 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 $ 18.38, hence, your net pay will only increase by $ 81.62.
Bonus Example
A $ 1,000 bonus will generate an extra $ 816 of net incomes. A $ 5,000 bonus will generate an extra $ 4,081 of net incomes.