Salary rate
Annual
Month
Semimonthly
Weekly
Day
Hour
Withholding
Salary
421,524 KWD
Pension
- 220 KWD
Social Security
** - 37.50 KWD
Unemployment
- 13.75 KWD
Total tax
- 271 KWD
Net pay
* 421,253 KWD
Marginal tax rate
0.0%
Average tax rate
0.1%
99.9%
Net pay
0.1%
Total tax
Total tax
Net pay
The Taxberg
421,253 KWD
Net pay
330 KWD
Tax the employer pays
271 KWD
Tax you pay
Total tax paid
601 KWD
Did you know your employer also pays tax on your salary? It costs the employer 330 KWD to pay you 421,524 KWD. In other words, every time you spend 10 KWD of your hard-earned money, 0.01 KWD goes to the government.
Real tax rate
0.1%
So, with you and the employer both paying tax, what used to be a 0.1% tax rate now rises to 0.1%, meaning your real tax rate is actually 0% higher than what it seemed at first.
Summary
If you make 5,058,288 KWD a year living in Kuwait, you will be taxed 3,255 KWD. That means that your net pay will be 5,055,033 KWD per year, or 421,253 KWD per month. Your average tax rate is 0.1% and your marginal tax rate is 0.0%. 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 0 KWD, hence, your net pay will only increase by 100 KWD.
Bonus Example
A 1,000 KWD bonus will generate an extra 1,000 KWD of net incomes. A 5,000 KWD bonus will generate an extra 5,000 KWD of net incomes.
North America
Country 
Net pay
Average tax
Rank
USA
KWD 2706835
46.5%
1
Canada
KWD 2357784
53.4%
2
Latin America
Country 
Net pay
Average tax
Rank
Guatemala
KWD 4477233
11.5%
1
Brazil
KWD 3667431
27.5%
2
Costa Rica
KWD 3398853
32.8%
3
Panama
KWD 3378448
33.2%
4
Mexico
KWD 3289367
35.0%
5
Argentina
KWD 3287885
35.0%
6
Puerto Rico
KWD 3271929
35.3%
7
Peru
KWD 3100620
38.7%
8
Colombia
KWD 3092671
38.9%
9
Uruguay
KWD 3080578
39.1%
10
Chile
KWD 3042459
39.9%
11
Ecuador
KWD 2889763
42.9%
12
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Africa
Country 
Net pay
Average tax
Rank
Angola
KWD 3679958
27.3%
1
Kenya
KWD 3540957
30.0%
2
Ivory Coast
KWD 3451031
31.8%
3
Nigeria
KWD 3440686
32.0%
4
Ghana
KWD 3346363
33.8%
5
Mozambique
KWD 3288565
35.0%
6
Zambia
KWD 3110937
38.5%
7
Cameroon
KWD 3080117
39.1%
8
Morocco
KWD 3065955
39.4%
9
Senegal
KWD 3035324
40.0%
10
South Africa
KWD 2785110
44.9%
11
Uganda
KWD 2783154
45.0%
12
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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%.