Salary rate
Annual
Month
Semimonthly
Weekly
Day
Hour
Withholding
Salary
1,000 KWD
Pension
- 80 KWD
Social Security
** - 25 KWD
Unemployment
- 5 KWD
Total tax
- 110 KWD
Net pay
* 890 KWD
Marginal tax rate
11.0%
Average tax rate
11.0%
89.0%
Net pay
11.0%
Total tax
Total tax
Net pay
Summary
If you make 12,000 KWD a year living in Kuwait, you will be taxed 1,320 KWD. That means that your net pay will be 10,680 KWD per year, or 890 KWD per month. Your average tax rate is 11.0% and your marginal tax rate is 11.0%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of 100 KWD in your salary will be taxed 11 KWD, hence, your net pay will only increase by 89 KWD.
Bonus Example
A 1,000 KWD bonus will generate an extra 890 KWD of net incomes. A 5,000 KWD bonus will generate an extra 4,450 KWD of net incomes.
NOTE* Deductions are calculated based on the tables of Kuwait, income tax. For simplification purposes some variables (such as marital status and others) have been assumed. This document does not represent legal authority and shall be used for approximation purposes only.

NOTE** Since January 1st, 2015, employee contributions to Kuwait's social security have increased by 2.5%, for a total of 10.5%. After a certain salary cap, the contribution goes back to 8%.