Summary
If you make 3,951,999,996 元 a year living in the region of Shanghai, China, you will be taxed 1,778,187,224 元. That means that your net pay will be 2,173,812,772 元 per year, or 181,151,064 元 per month. Your average tax rate is 45.0% and your marginal tax rate is 45.0%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of 100 元 in your salary will be taxed 45 元, hence, your net pay will only increase by 55 元.
Bonus Example
A 1,000 元 bonus will generate an extra 550 元 of net incomes. A 5,000 元 bonus will generate an extra 2,750 元 of net incomes.