Marginal vs Effective Tax Rate on Salary in Pakistan (2026-27)
Two of the most misunderstood terms in salary taxation are "marginal rate" and "effective rate". Confusing them leads people to fear raises or miscalculate take-home pay. Zaffre Tech explains both for the 2026-27 slabs under Finance Act 2026.
Marginal rate: the rate on your next rupee
Your marginal rate is the slab rate that applies to the last rupee you earn. If your annual taxable salary is Rs 1,800,000, you sit in the 11% band, so your marginal rate is 11%. A raise that keeps you in the same band is taxed at 11% - not at some higher figure on your whole income.
Effective rate: what you actually pay
Your effective rate is total income tax divided by total taxable salary. Because Pakistan's slabs are progressive, your lower income is taxed at lower rates, so the effective rate is always below the marginal rate once you are past the first band.
Worked comparison across the slabs
| Annual taxable salary (Rs) | Annual tax (Rs) | Marginal rate | Effective rate |
|---|---|---|---|
| 900,000 | 3,000 | 1% | 0.33% |
| 1,800,000 | 72,000 | 11% | 4.0% |
| 2,400,000 | 156,000 | 20% | 6.5% |
| 3,600,000 | 416,000 | 25% | 11.56% |
| 6,000,000 | 1,104,000 | 32% | 18.4% |
| 12,000,000 | 3,174,000 | 35% | 26.45% |
Notice how even at the 35% top slab, the effective rate is only 26.45%. The first Rs 7,000,000 is still taxed in lower bands, so the average rate never reaches the headline figure.
Why this matters for raises
A common worry is that a pay rise pushes you "into a higher bracket" and leaves you worse off. That cannot happen here. Only the income above each slab boundary is taxed at the higher rate. A raise always increases your take-home pay - just not by the full pre-tax amount once you are above Rs 600,000.
How to lower your effective rate
- Use the medical allowance exemption - up to 10% of basic salary under Clause 139 of the Second Schedule - where free treatment is not separately provided.
- Maximise eligible employer provident fund relief - up to the lower of 10% of basic or Rs 150,000 a year.
These reliefs reduce taxable salary, lowering both the tax due and your effective rate.
Show the right numbers on every payslip
Employees trust payroll that explains their tax clearly. Zaffre Axon and the Zaffre HRM payroll module apply the FBR slabs, compute the correct fixed-plus-percentage tax, and reflect allowance taxability and EOBI automatically - so each payslip shows accurate deductions aligned with Finance Act 2026. Explore any scenario with the Zaffreaxon salary tax calculator.
References: Finance Act 2026 (Federal Budget 2026-27); Income Tax Ordinance 2001, First Schedule, Part I, Division I; Second Schedule, Clause 139; FBR.
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