Singapore Tax Residency Rules
Singapore considers you tax resident if you reside or work in Singapore for 183 days or more in the calendar year.
| Residency threshold | 183 days |
| Counting window | Calendar year |
| Rule type | Day-count |
| Complexity | 3-year continuity rule |
| Tax year | Jan 1 – Dec 31 |
| Official source | Official source ↗ |
How Singapore determines residency
Singapore considers you tax resident if you reside or work in Singapore for 183 days or more in the calendar year. Short-term visitors are taxed only on Singapore-sourced income.
Individuals who work in Singapore for a continuous period spanning three calendar years are treated as residents for all three years, even if total days in any single year are below 183.
- 183 days in the calendar year
- Continuous employment spanning 3 calendar years (three-year administrative concession)
- Tax residency does not exempt foreign income under territorial tax system
Calculate your days in Singapore
Track your stays against the threshold and see exactly where you stand.
Evidence to keep
Documents that support (or rebut) a Singapore residency position. Not exhaustive — advisory only.
To prove residency
- Certificate of Residence (IRAS COR) Tier 1 · decisive
- Long-term lease agreement Tier 2
- Salary certificate / employment contract Tier 2
To rebut residency
- Foreign tax residency certificate Tier 1 · decisive
- Airline tickets / boarding passes Tier 3
Frequently asked questions
What is the tax residency threshold in Singapore?
Singapore generally treats you as a tax resident once you reach 183 days, measured over a calendar year window.
Does Singapore use a calendar year or a rolling window?
Singapore's counting window is: Calendar year. This determines how days are aggregated when testing the threshold.
Can I be tax resident in Singapore with fewer than 183 days?
Yes — beyond the day count, Singapore also considers: Continuous employment spanning 3 calendar years (three-year administrative concession); Tax residency does not exempt foreign income under territorial tax system.
Related guides and tools
Tracking Singapore alongside other countries?
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Open ElcanoThis page is for informational purposes only and does not constitute tax or legal advice. Residency rules are applied on a facts-and-circumstances basis. Verify with official sources and consult a qualified advisor for your specific situation.