A bonus, whether it's a 13th cheque, an annual performance bonus or a spot incentive, is taxed as ordinary income in South Africa. There is no special bonus tax rate. What catches many employees by surprise is the size of the once-off PAYE deduction in the month the bonus is paid, and the highest rate that can apply to it.
The most PAYE that can be deducted from any part of a bonus is 45%, the top rate on annual taxable income above R1,878,600. Below that, the rate depends on which brackets your bonus fills: 18%, 26%, 31%, 36%, 39% or 41%. You keep at least 55% of any bonus after PAYE.
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What Is the Maximum Tax on a Bonus?
The highest rate of tax on a bonus in South Africa is 45%. That is the top marginal rate for 2026/27, and it applies only to the part of your annual taxable income above R1,878,600. No part of a bonus can be taxed at more than 45%, so you keep at least 55% of it after PAYE.
What you actually pay depends on where your bonus lands on the tax table. Only the slice of the bonus that sits inside each bracket is taxed at that bracket's rate:
| Annual taxable income (salary plus bonus) | Rate on that slice |
|---|---|
| R0 to R245,100 | 18% |
| R245,101 to R383,100 | 26% |
| R383,101 to R530,200 | 31% |
| R530,201 to R695,800 | 36% |
| R695,801 to R887,000 | 39% |
| R887,001 to R1,878,600 | 41% |
| Above R1,878,600 | 45% (the maximum) |
Here is how that plays out for five employees under 65 (2026/27 tables, rebate applied, no medical credits or retirement deductions):
| Annual salary | Bonus | Tax on the bonus | Rate on the bonus |
|---|---|---|---|
| R200,000 | R30,000 | R5,400 | 18% |
| R360,000 | R30,000 | R8,145 | 27.15% |
| R360,000 | R100,000 | R29,845 | 29.85% |
| R1,800,000 | R300,000 | R131,856 | 43.95% |
| R2,000,000 | R100,000 | R45,000 | 45% |
The R1,800,000 row shows the tables at work: R78,600 of the bonus fills the rest of the 41% bracket and the other R221,400 is taxed at 45%. Once your salary alone is above R1,878,600, every rand of bonus is taxed at 45%. The 45% is the most PAYE can take; UIF is separate and capped at R177.12 a month.
How SARS Taxes a Bonus
SARS treats a bonus as an annual payment (paragraphs 9(1) and 9(2) of the Fourth Schedule to the Income Tax Act, reported under code 3605 on your IRP5). Your employer takes the annual equivalent of your regular pay (monthly salary × 12), adds the bonus once, and works out the tax on both totals. The difference is the PAYE deducted from the bonus. The bonus is not multiplied by 12; it is added to your annual pay a single time. The method is set out in SARS's own guide for employers on employees' tax (annual payments and bonuses).
Step 2: Tax on that amount (brackets, less rebate)
Step 3: Add the bonus once: annual equivalent + bonus
Step 4: Tax on the new total (brackets, less rebate)
Step 5: PAYE on the bonus = Step 4 tax − Step 2 tax
You still pay your normal monthly PAYE on your salary. The PAYE on the bonus is added to it in the month the bonus is paid.
Worked Example: R30,000 Salary + R30,000 Bonus
Employee: under 65, no medical aid credits applied in this example. Monthly salary: R30,000. December bonus: R30,000.
| Step | Calculation |
|---|---|
| Annual equivalent of salary | R30,000 × 12 = R360,000 |
| Tax on R360,000 | R44,118 + 26% × (R360,000 − R245,100) = R73,992, less the R17,820 rebate = R56,172 |
| Add the bonus once | R360,000 + R30,000 = R390,000 |
| Tax on R390,000 | R79,998 + 31% × (R390,000 − R383,100) = R82,137, less the R17,820 rebate = R64,317 |
| PAYE on the bonus | R64,317 − R56,172 = R8,145 |
| Normal monthly PAYE on salary | R56,172 ÷ 12 = R4,681 |
| Total PAYE in the bonus month | R4,681 + R8,145 = R12,826 |
| Bonus you keep | R30,000 − R8,145 = R21,855 (72.9%) |
Your payslip can differ from this if you have medical aid credits, retirement fund contributions or a part year of employment. Use our calculator for your exact numbers.
The key takeaway: the R30,000 bonus costs R8,145 in PAYE, a rate of 27.15%. R23,100 of the bonus fills the rest of the 26% bracket and the remaining R6,900 spills into the 31% bracket.
The Marginal Rate Effect: Why Bonuses Feel Heavily Taxed
The "high bonus tax" feeling employees experience is the marginal rate effect. Your salary fills the low brackets first, so its average rate is modest. A bonus is stacked on top and taxed at the higher rates above your salary.
Someone earning R30,000/month (R360,000/year) pays an average rate of 15.6% on their salary. A R30,000 bonus on top of it is taxed at 27.15%, because it falls in the 26% and 31% brackets rather than the lower ones below. This is not a special penalty on bonuses; it is how progressive taxation works.
13th Cheque vs Performance Bonus: Same Tax Treatment
A 13th cheque is a contractual bonus equal to one month's salary, typically paid in December. A performance bonus is discretionary and often based on meeting targets. Both are treated identically for tax purposes. They are ordinary income, added to your annual pay in the month they are paid, and taxed at the applicable bracket rates.
The only difference is the certainty: a 13th cheque is a legal entitlement if it is in your employment contract; a performance bonus is at the employer's discretion unless contractually guaranteed.
Can You Reduce Tax on a Bonus?
Yes. There are two legal ways to reduce the tax on a bonus, plus one common use for what you keep:
- Contribute the bonus to a retirement annuity: If you make an RA contribution in the same tax year as your bonus, it reduces your taxable income. An additional R30,000 RA contribution in December can offset a R30,000 bonus, saving the marginal tax on that amount, as long as it stays within the deduction limit. SARS allows RA contributions up to 27.5% of the greater of your remuneration or taxable income (capped at R430,000 a year).
- Invest in property: Using your bonus as a deposit or lump-sum contribution toward a buy-to-let or primary property is a common SA wealth-building strategy. SA Property Tools has free calculators for rental yield, bond repayments and property ROI to help you assess whether a property investment makes financial sense at your income level.
- Split the bonus across tax years: If your employer agrees, taking part of the bonus in February and part in March (the new tax year) may prevent both amounts from being taxed in the same tax year.
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Bonus Tax in the Year of Assessment
Your annual tax assessment (ITR12) reconciles all PAYE paid during the year against your actual annual taxable income. If your employer withheld more than you owe, SARS refunds the difference. If they withheld less, you owe the balance. Payroll systems do not all withhold on a bonus in exactly the same way, so the amount on your payslip can differ from your final tax, and the assessment settles it.