Summary
If you make 211,120,000 원 a year living in South Korea, you will be taxed 67,387,919 원. That means that your net pay will be 143,732,081 원 per year, or 11,977,673 원 per month. Your average tax rate is 31.9% and your marginal tax rate is 43.8%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of 100 원 in your salary will be taxed 43.77 원, hence, your net pay will only increase by 56.23 원.
Bonus Example
A 1,000 원 bonus will generate an extra 562 원 of net incomes. A 5,000 원 bonus will generate an extra 2,812 원 of net incomes.