Maturity value and after-tax return on a savings certificate.
After-tax maturity value
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Gross maturity
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Total profit
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Tax on profit
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Safe does not mean tax-free
National Savings certificates, such as Defence Savings and Special Savings, are among the most trusted homes for money in Pakistan precisely because they are government-backed and the profit rate is fixed when you buy. What savers often forget is that the profit is still taxed. The Federal Board of Revenue (FBR) treats it as profit on debt and withholds tax at source before the money reaches you. This calculator compounds your certificate to maturity at its stated rate, then strips out that withholding so you see the after-tax maturity value rather than the gross headline the brochure quotes.
The withholding rates are set in law and revised through the Finance Act, so read the percentages here as the rates this calculator applies and confirm the current schedule with the FBR. The way the tax works, a flat withholding on the profit element only and never on your returned principal, is stable and worth understanding clearly.
The filer gap is even wider on profit on debt
Filer status matters everywhere in Pakistan, but on profit on debt the penalty for staying off the Active Taxpayers List is unusually steep. As modelled here, a filer pays 15% on the profit, while a non-filer pays 35%, more than double. On a long-running certificate that difference compounds into a serious sum. If you hold National Savings products and have not registered as a filer, this is one of the clearest places to see what that decision is costing you year after year.
A PKR 1 million certificate held for five years
Take the tool's defaults: PKR 1,000,000 invested at a 13% annual profit rate, held for five years, as a filer. Compounded annually, the certificate grows to a gross maturity of about PKR 1,842,400, which means total profit of roughly PKR 842,400. The withholding at 15% on that profit is about PKR 126,400. Your principal comes back untouched, so the after-tax maturity value is near PKR 1,716,100. Run the same certificate as a non-filer and the 35% rate would take about PKR 294,900 of the profit, leaving an after-tax maturity closer to PKR 1,547,500, roughly PKR 168,500 less for the identical investment.
| Line | Filer (15%) | Non-filer (35%) |
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The chart shows the PKR 842,400 profit divided into what you keep and what the FBR withholds, for a filer and a non-filer side by side. The non-filer's tax slice is far larger, eating into the same profit on the same certificate.
The Behbood exception, and a modelling note
One important carve-out: Behbood Savings Certificates and Pensioner Benefit Accounts, aimed at widows, senior citizens, and pensioners, carry a reduced rate of 5% on the profit rather than the standard 15% as modelled here. This calculator applies the standard rate, so if you hold a Behbood or Pensioner certificate the tax shown will be too high; use the dedicated Behbood tool instead. A structural note too: this model compounds profit annually, but several National Savings products pay profit periodically, monthly or half-yearly, so accrual can differ slightly. Treat the maturity figure as a close planning estimate, not a guaranteed redemption statement.
Who this calculator is meant for
It is built for conservative savers weighing a National Savings certificate against a bank term deposit, retirees living off certificate profit who need the real after-tax figure, and anyone deciding how much to lock away. A practical tip: because the withholding is on profit only, a certificate is not as tax-heavy as the gross numbers suggest, and your effective tax as a share of the total maturity is lower than the headline 15% or 35%. Compare the after-tax maturity here with a bank deposit's after-tax return, since both are taxed under similar profit on debt rules, before you decide.
Is the withholding on my certificate the final tax, or do I owe more?
For many individuals the profit on debt withholding on National Savings is treated as a final tax on that income, meaning you do not pay again on it at filing. However, your total tax position depends on the size of the profit and your other income, and the rules around final versus adjustable treatment have changed in recent years. Keep your profit certificate and confirm the current treatment with the FBR.
Does the tax come off at maturity or as the profit is paid?
National Savings withholds the tax when profit is paid out, so on a certificate paying periodic profit the deduction happens at each payment, while on a certificate that pays everything at the end it comes off at redemption. This calculator shows the total tax across the life of the certificate rather than the timing of each deduction, so use it for the overall after-tax outcome.
Should I assume the profit rate stays fixed for the whole term?
For most National Savings certificates the rate is locked at purchase for the full term, which is part of their appeal, so entering a single rate is reasonable. New certificates issued later may carry different rates, so if you plan to reinvest at maturity do not assume today's rate will still be on offer.