Two earners, taxed independently.
Household net pay
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Partner 1 PAYE
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Partner 2 PAYE
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Combined effective rate
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Why Nigeria has no joint return
If you have moved from a country that lets couples file together, the first thing to unlearn is income splitting. Nigeria taxes each individual on their own chargeable income. There is no household return, no transfer of an unused tax-free band, and no shared relief pool. A married couple is, for tax purposes, simply two taxpayers who happen to live together. This tool reflects that exactly: it runs each partner through the personal income tax bands on their own, then adds up what is left so you can see the household picture in one place.
Why does this matter for planning? Because the bands are progressive. The personal income tax scale, as modelled here, is a tax-free first slice then rising rates on each layer above it. When two people each get their own tax-free slice and their own lower bands, the household keeps more than a single earner on the same total would. That quiet advantage has nothing to do with marriage. It comes purely from running two sets of bands instead of one.
Splitting NGN 10 million across two earners
Take the figures the calculator opens with: Partner 1 grosses NGN 6 million a year and Partner 2 grosses NGN 4 million, neither with extra reliefs. Using the bands this calculator applies, Partner 1 owes NGN 870,000 in PAYE and Partner 2 owes NGN 510,000. The household nets NGN 8,620,000, and the combined effective rate across the NGN 10 million is 13.80 percent.
| Item | Partner 1 | Partner 2 |
|---|
The chart sets the two PAYE bills against the two take-home figures.
Here is the planning point the single household number hides. If one person earned the whole NGN 10 million alone, the PAYE on the bands this tool applies would be NGN 1,590,000, because more of that income is pushed into the 18 percent layer. Split across two earners it is NGN 1,380,000. The NGN 210,000 gap is not a loophole, and you cannot manufacture it by moving salary between spouses on paper. It is simply two people each climbing the band ladder from the bottom. It becomes a real lever only in genuine choices, such as which partner takes on extra freelance work.
Where each partner's reliefs come in
The two reliefs fields are the part most people leave blank, and that overstates the tax. Each earner can deduct their own allowable reliefs before the bands apply: the 8 percent employee pension contribution, the 2.5 percent National Housing Fund deduction where it applies, life assurance premiums, and rent relief. Rent relief, as modelled across these tools, is the lower of 20 percent of annual rent and NGN 500,000, and it belongs to whichever partner pays the rent. Enter each person's reliefs in their own box, because they do not pool, and a relief one spouse cannot fully use does not pass to the other.
Treat the output as a planning estimate, not a payslip. PAYE in Nigeria is operated by the State Internal Revenue Service of the state where each employee is resident, for example the Lagos State Internal Revenue Service, while the Federal Inland Revenue Service sets the wider framework under the reform now phasing in. The federal body is itself being reconstituted under the 2025 legislation. Confirm the current bands, the tax-free floor, and the relief caps with your state revenue service before you rely on a figure.
When a small second income barely moves the needle
The minimum-wage exemption shapes how a modest second income is taxed. Employment income at or below the national minimum wage, treated here as NGN 840,000 a year, bears no PAYE. A partner who picks up light work just above that floor is taxed only on the slice that reaches the 15 percent band, so their effective rate stays tiny and pulls the household combined rate down. Run a second gross of NGN 1.2 million and watch how little PAYE it attracts next to the main earner's bill. The takeaway is that a second income need not be large to be tax-efficient: it enters fresh at the bottom of the scale and is taxed gently. Confirm the prevailing minimum wage, since it sits in separate legislation and is revised from time to time.
If only one of us works, is this tool useful?
You can still use it by entering the working partner's gross and leaving the second at zero, but a single-earner household has nothing to compare. The value here is the side-by-side view for two incomes. With one earner, the dedicated income tax or take-home pay calculator gives you the same answer with less clutter.
Does a partner earning the minimum wage or less pay anything?
No. Employment income at or below the national minimum wage, which the calculator treats as NGN 70,000 a month or NGN 840,000 a year, is fully exempt from PAYE. If you enter a low salary for one partner and see zero tax, that exemption is why. Confirm the prevailing minimum wage, since it is set by separate legislation and can be revised.