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Payroll guide · Zambia

How to Calculate Payroll in Zambia

Everything an employer needs to run compliant payroll in Zambia — PAYE bands, statutory deductions, the computation order, filing deadlines and the mistakes that most often surface in an audit.

Updated for 2026Written by the CromaHR compliance team Zambia · ZMW

Zambian payroll is built on three obligations — PAYE, NAPSA and NHIMA — and one of them carries a monthly ceiling that manual payrolls routinely overshoot.

This guide covers the four-band PAYE table, NAPSA with its earnings ceiling, NHIMA health insurance and the ZRA filing calendar.

Verify before you rely on this

The figures below are compiled from public guidance and are correct to the best of our research at the time of writing. Zambia rates change with each budget cycle, and published sources sometimes disagree. Confirm against the Zambia Revenue Authority (ZRA) before running a live payroll.

Who administers payroll in Zambia

Payroll obligations in Zambia are administered by the Zambia Revenue Authority (ZRA), alongside the social security and levy bodies set out below. Every employer is responsible for computing deductions correctly, remitting them on time and retaining the records — the obligation sits with the employer, not the employee, and it does not transfer to a bookkeeper or an accountant.

PAYE bands

Chargeable income (ZMW)Rate
0 – 5,1000%
5,101 – 7,10020%
7,101 – 9,20030%
Above 9,20037%

Monthly chargeable income in ZMW. Confirm against ZRA before use.

Statutory deductions

DeductionEmployeeEmployerRules
NAPSA5%5%10% in total, subject to a monthly earnings ceiling of ZMW 37,236, so a maximum of ZMW 1,861.80 each side.
NHIMA1%1%2% in total, on gross with no ceiling.

Work out a real net pay in seconds

Our free calculator applies every deduction on this page — including lower earnings limits and relief caps — and shows the PAYE working band by band.

Open the Zambia calculator

Reliefs and thresholds

ReliefValueNotes
Tax-free bandZMW 5,100/monthApplied through the band table.
NAPSA ceilingZMW 37,236/monthContributions are capped at ZMW 1,861.80 each side.

The computation order

Getting the order right matters more than getting any single rate right. Applying a deduction after the bands instead of before it changes the tax for every employee on the payroll.

Order of computation

PAYE is computed on chargeable emoluments using the band table. NAPSA is calculated at 5% of earnings subject to the monthly ceiling, and NHIMA at 1% of gross with no ceiling. Both employer contributions sit on top of gross as a cost of employment.

A worked example

An employee on ZMW 12,000 gross:

Gross pay12,000.00
PAYE — 20% then 30% then 37% by band(2,066.00)
Less NAPSA at 5%, below the ceiling(600.00)
Less NHIMA at 1%(120.00)
Net pay9,214.00

Employer cost on top of gross: NAPSA at 5% (600.00) and NHIMA at 1% (120.00) — a total cost of employment of ZMW 12,720.00.

Filing calendar

WhenWhat is due
By the 10th of the following monthPAYE remitted to ZRA and the monthly return filed
By the 10thNAPSA contributions remitted
By the 10thNHIMA contributions remitted
AnnuallyEmployer annual PAYE reconciliation

Penalties for getting it wrong

ZRA applies penalties and interest on late PAYE returns and payments. NAPSA and NHIMA each carry their own penalty regimes on unremitted contributions. The NAPSA ceiling is the most common source of overpayment, and overpaid contributions are considerably harder to recover than underpaid ones are to settle.

Five common mistakes

These are the errors that turn up most often when a manual payroll is reviewed.

  1. Ignoring the NAPSA ceiling. Contributions are capped at ZMW 1,861.80 each side, based on a monthly earnings ceiling of ZMW 37,236. Payrolls that apply a flat 5% to high earners overpay every month.
  2. Applying a ceiling to NHIMA. NHIMA has no ceiling — it is 1% of gross at every salary level.
  3. Treating employer NAPSA as an employee deduction. The employer 5% is a cost of employment and must never reduce net pay.
  4. Missing the tax-free threshold. The first ZMW 5,100 of monthly chargeable income is taxed at 0%.
  5. Not updating bands annually. The band thresholds are reviewed in the national budget and a payroll left unchanged will misstate PAYE for the whole year.

What is compliant payroll worth to you?

Our ROI calculator prices what manual payroll actually costs — the days lost at month-end, the leave nobody recorded, and the statutory penalty exposure you are already carrying.

Open the ROI calculator

Frequently asked questions

What is the NAPSA contribution rate in Zambia?

5% from the employee and 5% from the employer, 10% in total, subject to a monthly earnings ceiling of ZMW 37,236 — so a maximum of ZMW 1,861.80 from each side.

Does NHIMA have a ceiling?

No. NHIMA is 1% from the employee and 1% from the employer on gross earnings, with no upper limit.

What is the PAYE tax-free threshold in Zambia?

ZMW 5,100 of monthly chargeable income. Above that, bands of 20%, 30% and 37% apply.

When is PAYE due in Zambia?

By the 10th of the month following the payroll period, remitted to ZRA with the monthly return.

What is the top PAYE rate in Zambia?

37%, on monthly chargeable income above ZMW 9,200.

Are NAPSA contributions deductible before PAYE?

Confirm the current treatment with ZRA. Published guidance varies, and the position affects every employee's tax.

Running Zambia payroll on CromaHR

CromaHR computes every deduction on this page automatically, with rates that are effective-dated — so a retrospective run uses the rates in force for that period rather than today's. Returns are generated in the formats the Zambia Revenue Authority (ZRA) actually accepts, and every run leaves a complete audit trail.

Because the platform was designed by a Certified Internal Auditor, the controls came first: maker-checker approval on payroll runs, role-based permissions, and a record of every change showing who made it, when, and what the value was before and after.

Payroll guides for other markets

CromaHR supports payroll in 36+ countries. These guides cover the markets our customers ask about most.

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