PakIncomeTax
Understanding Pakistan's Progressive Tax System
Pakistan uses a progressive tax system — only the income inside each bracket is taxed at that bracket's rate. Your entire salary is never taxed at your highest rate.
The most common misunderstanding
A lot of people assume that if their income "falls into the 23% slab," their entire salary is taxed at 23%. That's not how it works. Under a progressive (or "marginal") tax system, each slab's rate applies only to the income that falls within that slab — everything below it was already taxed at the lower rates of the earlier slabs.
Worked example — Rs. 150,000/month (FY 2026-27)
- Annual gross income = Rs. 18,00,000
- First Rs. 6,00,000 → taxed at 0% = Rs. 0
- Next Rs. 6,00,001–12,00,000 → taxed at 1% = Rs. 6,000
- Remaining Rs. 12,00,001–18,00,000 → taxed at 11% = Rs. 66,000
- Total annual tax = Rs. 72,000 (Rs. 6,000/month)
Notice the person is technically "in the 11% slab" — but their effective tax rate (total tax ÷ total income) is only 4%, because most of their income was taxed at 0% and 1% first. This is why effective rate and marginal (top slab) rate are two very different numbers, and why it's misleading to compare salaries using slab rate alone.
How the fixed-amount + rate formula works
To avoid recalculating every lower bracket by hand, FBR publishes each slab as a fixed amount plus a rate on the excess. For example, the FY 2026-27 formula for the Rs. 1,200,001–2,200,000 bracket is "Rs. 6,000 + 11% of the amount exceeding Rs. 1,200,000." The Rs. 6,000 is simply the total tax already accumulated from the two brackets below it — it's a shortcut, not an extra charge.
Why rates change every year
FBR updates tax slabs annually via the Finance Act, passed with the Federal Budget each May/June and effective from July 1. Changes reflect inflation adjustments, revenue targets (often tied to IMF program commitments), and periodic relief for the salaried class. Finance Act 2026 kept the 0% and 1% entry bands unchanged but cut the 2.2M–3.2M and 3.2M–4.1M rates, split the old top bracket into three narrower ones, and pushed the 35% threshold up from Rs. 4.1M to Rs. 7M. See the full slab tables by year to compare how rates have shifted since FY 2020-21.