Summary
If you make 90,132,648 TL a year living in Turkey, you will be taxed 37,631,919 TL. That means that your net pay will be 52,500,729 TL per year, or 4,375,061 TL per month. Your average tax rate is 41.8% and your marginal tax rate is 41.8%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of 100 TL in your salary will be taxed 41.76 TL, hence, your net pay will only increase by 58.24 TL.
Bonus Example
A 1,000 TL bonus will generate an extra 582 TL of net incomes. A 5,000 TL bonus will generate an extra 2,912 TL of net incomes.