Salary rate
Annual
Month
Semimonthly
Weekly
Day
Hour
Withholding
Salary
5,500,000 บาท
Income Tax
- 1,447,788 บาท
Social Security Fund
- 9,000 บาท
Total tax
- 1,456,788 บาท
Net pay
* 4,043,212 บาท
Marginal tax rate
34.3%
Average tax rate
26.5%
73.5%
Net pay
26.5%
Total tax
Total tax
Net pay
The Taxberg
4,043,212 บาท
Net pay
9,000 บาท
Tax the employer pays
1,456,788 บาท
Tax you pay
Total tax paid
1,465,788 บาท
Did you know your employer also pays tax on your salary? It costs the employer 9,000 บาท to pay you 5,500,000 บาท. In other words, every time you spend 10 บาท of your hard-earned money, 2.67 บาท goes to the government.
Real tax rate
26.6%
So, with you and the employer both paying tax, what used to be a 26.5% tax rate now rises to 26.6%, meaning your real tax rate is actually 0.1% higher than what it seemed at first.
Summary
If you make 5,500,000 บาท a year living in Thailand, you will be taxed 1,456,788 บาท. That means that your net pay will be 4,043,212 บาท per year, or 336,934 บาท per month. Your average tax rate is 26.5% and your marginal tax rate is 34.3%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of 100 บาท in your salary will be taxed 34.28 บาท, hence, your net pay will only increase by 65.72 บาท.
Bonus Example
A 1,000 บาท bonus will generate an extra 657 บาท of net incomes. A 5,000 บาท bonus will generate an extra 3,286 บาท of net incomes.
Compare average tax
North America
Country 
Net pay
Average tax
Rank
USA
THB 3753405
31.8%
1
Canada
THB 3348156
39.1%
2
Latin America
Country 
Net pay
Average tax
Rank
Guatemala
THB 4894920
11.0%
1
Costa Rica
THB 4085584
25.7%
2
Colombia
THB 4028655
26.8%
3
Chile
THB 4023920
26.8%
4
Brazil
THB 4007002
27.2%
5
Uruguay
THB 3998851
27.3%
6
Panama
THB 3902339
29.1%
7
Puerto Rico
THB 3740233
32.0%
8
Mexico
THB 3731251
32.2%
9
Peru
THB 3642575
33.8%
10
Ecuador
THB 3611545
34.3%
11
Argentina
THB 3574758
35.0%
12
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NOTE* Withholding is calculated based on the tables of Thailand, 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.