What PAYE actually stands for — and why it exists
PAYE stands for Pay-As-You-Earn. It's the mechanism South Africa uses to collect income tax from employees gradually, throughout the year, instead of asking every taxpayer to find a lump sum at year-end. Your employer is legally required to work out how much tax you owe based on your salary, deduct it from your pay each month, and pay it over to the South African Revenue Service (SARS) on your behalf. This is governed by the Fourth Schedule to the Income Tax Act.
From your side, PAYE mostly happens invisibly — you see the deduction on your payslip, but the calculation itself is done by your employer's payroll system. Understanding how it works is still useful: it helps you sanity-check your payslip, plan a salary negotiation with real take-home numbers, and understand why a bonus or increase doesn't translate rand-for-rand into extra cash in your account.
Who has to pay PAYE?
Any employee earning above the annual tax threshold for their age group is liable for PAYE, deducted monthly by their employer. If you earn below the threshold, no PAYE is deducted — but you may still need to submit a tax return depending on your total circumstances (multiple income sources, investment income, etc.). Self-employed individuals and freelancers don't go through PAYE at all; they're generally required to register for provisional tax and pay SARS directly, twice a year.
The four-step calculation, explained with a real example
Let's walk through the exact process using a R25,000 monthly salary, for someone under 65, in the 2026/2027 tax year.
Step 1 — Annualise. R25,000 × 12 = R300,000 annual income.
Step 2 — Apply the brackets. R300,000 spans the first three tax brackets for 2026/2027. The first R245,100 is taxed at 18%, and the remaining R54,900 (up to R300,000) is taxed at 26%. Add those two amounts together to get the tax before any rebate.
Step 3 — Subtract the rebate. The primary rebate for 2026/2027 is R17,820. Subtracting this from the bracket tax gives the actual annual PAYE liability.
Step 4 — Divide by 12. That annual figure, divided by 12, is the amount your employer deducts from your payslip every month: approximately R3,380.98.
Add UIF (1% of salary, capped) of approximately R177.12, and the resulting net take-home pay comes to roughly R21,441.90 — an effective tax rate of 13.52%, even though the marginal rate on the last rand earned is 26%.
Why effective rate and marginal rate are different — and why it matters
This is the single most misunderstood part of the South African tax system. Your marginal rate is the rate applied to the next rand you earn — it's the rate of the highest bracket your income reaches. Your effective rate is your total tax divided by your total income — a blended average across all the brackets you passed through on the way up.
Because the lower brackets are taxed at lower rates, and the rebate is subtracted as a flat amount, your effective rate is always meaningfully lower than your marginal rate. This matters when negotiating a raise: a jump into a higher bracket does not mean your entire salary suddenly gets taxed at the higher rate — only the portion of income above that bracket's threshold does.
What PAYE doesn't cover
PAYE calculations by themselves don't account for retirement annuity contributions (deductible up to 27.5% of income, capped at R350,000 a year), medical scheme tax credits, travel allowance fringe benefits, or income from sources other than your main employer. If any of these apply to you, your actual tax position may differ from a simple salary-based estimate — which is exactly why we keep our calculator's assumptions explicit on the methodology page rather than hiding them.
Related reading
Understanding Tax Rebates — how age-based rebates work and why they matter more than most people realise.
UIF Explained — what UIF is, who qualifies for payouts, and how to claim.
Full Tax Tables — every bracket, rebate and threshold for the current and upcoming tax years.
Frequently asked questions
Who is responsible for calculating and paying PAYE?
Your employer is legally required to calculate your PAYE, deduct it from your salary each month, and pay it over to SARS on your behalf, under the Fourth Schedule to the Income Tax Act.
Does everyone pay PAYE?
No. Only employees earning above the annual tax threshold for their age group have PAYE deducted. Self-employed individuals and freelancers don't go through PAYE at all — they typically register for provisional tax instead.
What is the difference between marginal rate and effective rate?
Your marginal rate is the tax rate applied to the next rand you earn, based on your highest bracket. Your effective rate is your total tax divided by your total income — a blended average that's always lower than your marginal rate.
Does PAYE account for retirement annuity or medical aid contributions?
A basic PAYE calculation doesn't automatically include these. Retirement annuity contributions and medical scheme tax credits can reduce your actual tax liability, so your real payslip figure may differ from a simple salary-based estimate.