Non-resident tax on employment income.
Tax payable
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At 15% flat
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At resident rates
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Your breakdown
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The 183-day test that decides everything
Whether you are taxed as a Singapore resident or a non-resident hinges almost entirely on time spent here. As a rule of thumb, if you are physically in Singapore for fewer than 183 days in a calendar year, IRAS treats you as a non-resident for that year, and a different tax regime applies. The distinction is not academic. Residents enjoy the tax-free first $20,000 of chargeable income and a long list of personal reliefs; non-residents get neither. This calculator handles the non-resident side, taking your employment income and applying the rule that decides your bill. It is for foreign professionals on short assignments, new arrivals in their first part-year, and anyone unsure which regime catches them.
Higher of two numbers, never both
Non-resident employment income is taxed at the higher of two figures: a flat 15 percent on the gross income with no reliefs whatsoever, or the resident progressive rates applied as if you were resident but still with no personal reliefs. You pay whichever produces the larger tax, not both, and not the sum. The flat 15 percent tends to win at lower incomes, where the progressive rates would barely bite, while the resident rates overtake it at higher incomes once enough of your income sits in the upper bands. The tool computes both and reports the larger, exactly as IRAS would assess it.
A $120,000 contract, both ways
Take the default of $120,000 of employment income. The flat method gives 15 percent of $120,000, which is $18,000. The resident-rate method runs the same $120,000 through the progressive brackets, with no reliefs, and produces $7,950. The higher of the two is $18,000, so that is the tax payable. At this income the flat rate clearly wins.
The crossover sits well above this income. The resident rates only overtake the flat 15 percent once income climbs high enough that the upper brackets pull the progressive total past 15 percent of the whole, so at very high earnings a non-resident can end up paying the resident-rate figure instead.
Directors and the 24 percent rate
This tool covers employment income. Other categories of non-resident income are taxed differently and more steeply. Directors' fees, consultancy income, and most other income earned by a non-resident are taxed at a flat 24 percent, the same as the top resident rate, with no reliefs. So a foreign company director drawing fees rather than a salary faces 24 percent, not 15 percent. The common mistake is a non-resident assuming the 15 percent employment rate covers everything they receive from Singapore; it does not, and board fees in particular carry the higher charge. If your income mixes salary and directors' fees, the two streams are assessed under their own rules.
There is also a practical wrinkle on the way out. When a non-resident or foreign employee ceases employment or leaves Singapore, the employer is generally required to seek tax clearance, withholding the final month’s pay until IRAS has assessed and the tax is settled. So the bill this calculator estimates is not something you tidy up at leisure after you have flown home; it is typically deducted before your last salary is released. Factor that into your cash flow if you are on a short assignment, because the tax can land in a single clearance rather than spread across the year the way a resident’s PAYE-style deductions would be.
What if I am here for exactly 183 days or more?
At 183 days or more in a calendar year you are generally treated as a tax resident for that year, which switches you to the resident regime with the tax-free first $20,000 and access to personal reliefs. There are also concessions for those whose employment straddles two years or who stay across a continuous period, so the day count is the starting point rather than the whole story. If you are near the boundary, the residency status can change your bill substantially, and the resident income tax calculator is the one to use instead.
Do non-residents pay CPF?
CPF contributions are generally required only for Singapore citizens and permanent residents, not for foreigners on work passes, so a non-resident foreign employee typically has no CPF deducted. That is why this calculator deals only with income tax and does not net off any CPF. Your employer’s obligations depend on your immigration status, not your tax residency, though the two often move together.