CPF relief for the self-employed.
CPF relief
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Tax saved
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CPF relief is a self-employed perk
Salaried staff never claim CPF relief, and that surprises people. The reason is simple: an employee’s 20 percent CPF is carved out of taxable wages before IRAS ever sees the number, so there is nothing left to relieve. The self-employed are in a different position. Your compulsory MediSave and any voluntary CPF you choose to put in come out of income that would otherwise be fully taxed, so the law hands you a deduction. This calculator adds the two streams and shows the tax that deduction saves at your marginal rate.
The 37 percent ceiling that governs the relief
Voluntary CPF relief for a self-employed person is not open-ended. It is capped at 37 percent of net trade income, mirroring the combined 37 percent employee-plus-employer rate a salaried worker would attract, and the absolute contribution is also bounded by the CPF annual limit of $37,740. Compulsory MediSave counts toward that 37 percent. So the practical room for extra voluntary contributions is 37 percent of net trade income minus the MediSave you already had to pay. Pour in more than the ceiling and the excess simply will not be deductible.
A consultant on $60,000 net, marginal rate 11.5 percent
Picture the same consultant from the MediSave tool: $60,000 net trade income, compulsory MediSave of $5,400. Their 37 percent ceiling is $22,200, leaving headroom of $16,800 for voluntary contributions. Say they put in $9,600. Total CPF relief is $15,000, and at an 11.5 percent marginal rate the tax saved is $1,725.
Where this sits in the $80,000 relief cap
Remember the bigger picture. Singapore caps total personal income tax relief at $80,000 a year across every category combined, from earned income relief to parent relief to SRS. CPF relief for the self-employed counts toward that ceiling. For most freelancers the $80,000 cap is a distant ceiling, but a high earner stacking SRS, qualifying child relief, and a large voluntary CPF contribution can bump into it, at which point the marginal benefit of one more dollar of relief drops to zero. Plan the order in which you use your reliefs if you are anywhere near the limit.
If you are close to the cap, the practical move is to compare the locked-in CPF route against the more flexible SRS, since both compete for the same $80,000 of relief headroom. A self-employed citizen can put up to $15,300 into SRS for tax relief, and that money, while still meant for retirement, can be withdrawn earlier than CPF, albeit with tax consequences. Filling CPF first makes sense if you value the higher guaranteed interest; filling SRS first makes sense if you want a little more access and investment choice. There is rarely a reason to overshoot the cap with both.
Common questions
Is the locked-in nature of CPF worth the tax break?
That is the real trade-off. Voluntary CPF earns a strong, government-guaranteed return, between 2.5 and 4 percent depending on the account, with an extra 1 percent on the first $60,000 across your accounts. But you cannot touch it freely before the CPF withdrawal rules allow. If you might need the cash for business reinvestment within a few years, a voluntary contribution can be the wrong call even with the relief. Treat it as long-term retirement money, not a flexible savings pot.
Do I claim the relief, or is it automatic?
Compulsory MediSave relief is granted automatically once the CPF Board records your payment. Voluntary contributions are also picked up automatically when you contribute through the official channels and declare your net trade income, so there is usually no separate form. Always check the relief reflected in your Notice of Assessment matches what you contributed, and raise it with IRAS promptly if it does not.