Moving tax residency from Australia to Singapore takes a high-earning founder from Australia’s 47% top marginal rate (45% income tax plus the 2% Medicare levy) to a regime where foreign-sourced dividends, foreign capital gains, and offshore business profits sit at 0% for resident individuals — with the worst-case Singapore-source rate capped at 24%. The catch is the Australian Tax Office’s CGT event I1: the day you cease Australian tax residency, the ATO treats every CGT asset that is not Taxable Australian Property as if you sold it at market value, and bills you on the unrealised gain. Plan I1 before you sign a Singapore lease, plan around the long-standing Australia–Singapore double tax treaty as you arrive, and build the documentary file the ATO’s Resides and Domicile tests demand.
The Tax Delta at a Glance
| Australia (current) | Singapore (after move, tax resident) | |
|---|---|---|
| Personal income tax | 0–45% + 2% Medicare = up to 47% | 0–24% on Singapore-source only; 0% on foreign-source income |
| Capital gains tax | Taxed as income (50% discount if held >12 months) | 0% — no CGT on shares, crypto or property (ABSD aside) |
| Dividend tax | Franked: imputation credit; unfranked: marginal rate | 0% on Singapore one-tier dividends; 0% on foreign dividends |
| Wealth / inheritance | No wealth tax; no estate duty, but CGT applies to non-residents on Australian property | None — no inheritance, gift, or wealth tax (estate duty abolished 2008) |
| Worldwide vs territorial | Worldwide for residents | Effectively territorial for individuals — foreign-source income not assessed |
| Effective rate (founder taking AUD 750k offshore dividends) | ~47% | ~0% |
Step-by-Step Move
Step 1: Confirm you can legally cease Australian tax residency
The ATO does not apply a single bright-line day-count test. It applies four overlapping statutory tests and you fail to be non-resident if you flunk any of them: the Resides Test (the common-law “do you reside here in the ordinary sense?” question), the Domicile Test (you remain resident if your domicile is Australia unless the Commissioner accepts your permanent place of abode is overseas), the 183-Day Test, and the Commonwealth Superannuation Test. The most-litigated of the four is the Domicile Test. The Full Federal Court’s leading authority — Harding v FCT [2019] FCAFC 29 — confirmed that “permanent place of abode” overseas does not require you to settle in one specific dwelling forever, but does demand that you have abandoned Australia as your home in a real, durable sense. A short-let Singapore condo, an unsold Australian house held “in case it doesn’t work out,” a spouse and children left at the Sydney school, or an Australian-employer payroll all weigh heavily against you.
You are aiming to satisfy the ATO that on a specific date — your “departure date” — you ceased to reside in Australia and ceased to have your domicile of choice there. Until that date you remain assessable on worldwide income; from that date you are assessable only on Australian-source income and on disposals of Taxable Australian Property (essentially direct or indirect interests in Australian real estate). Singapore’s strong residency credentials — a long-term Employment Pass, a Global Investor Programme PR, a registered Singapore lease, and an EDB-issued In-Principle Approval — are exactly the kind of contemporaneous evidence that defeats a Domicile-Test challenge years later.
Step 2: Plan around Australia’s exit tax — CGT event I1
This is the single biggest line item in any Australia-to-Singapore exit. Under section 104-160 of the Income Tax Assessment Act 1997, the moment you cease to be an Australian tax resident, CGT event I1 is triggered on every CGT asset you own that is not Taxable Australian Property. The ATO treats those assets as disposed of at market value on the departure date and assesses the resulting capital gain in your final part-year return. Listed Australian shares, private company shares, foreign equities, ETFs, options, and crypto are all caught — the ATO confirmed in TD 2014/26 and subsequent guidance that crypto is a CGT asset and is fully within I1.
Individuals (but not companies) can make an irrevocable election under s104-165(2) to disregard the gain on departure — the so-called “I1 election.” If you elect, no tax is payable on departure, but the asset is deemed to remain Taxable Australian Property in your hands until you actually dispose of it. Australia retains taxing rights over the eventual sale even though you are by then a Singapore resident; the future capital gain is fully assessable in Australia at non-resident rates (no 50% CGT discount for the post-8 May 2012 portion, and no tax-free threshold).
The Singapore overlay matters here. Singapore has no capital gains tax, so a sale you make from Singapore is not a Singapore taxable event. That makes the I1 election a one-way bet: defer in Australia, sell from Singapore, and Australia keeps 100% of the eventual gain at non-resident rates with no relief in Singapore (because Singapore did not tax it, no foreign tax credit applies in either direction). For most founders moving to Singapore the right answer is to trigger CGT event I1 on departure, pay Australian tax once with the 50% CGT discount intact for assets held over 12 months, and start with a clean cost base in Singapore. Run the numbers both ways before departure — the choice between paying now at ~23.5% effective vs. paying later at 45% non-resident rates is often the largest single decision in the move.
Step 3: Establish Singapore tax residency
Singapore tax residency is determined by physical presence: an individual is resident for a Year of Assessment if they are physically present or exercising employment in Singapore for 183 days or more in the preceding calendar year, with a three-year administrative concession that aggregates time across consecutive years for new arrivals. Tax residency unlocks the resident progressive rates (0–24%) and, more importantly, confirms that foreign-sourced personal income — overseas dividends, offshore interest, foreign business profits, and foreign employment income for work performed wholly outside Singapore — is not assessable under section 13(7A) of the Income Tax Act, except in the narrow case where it is connected with a Singapore trade or partnership.
The right immigration vehicle depends on your capital and timeline. The flagship route is the Global Investor Programme (GIP) — a direct path to Singapore Permanent Residency for entrepreneurs and HNWIs willing to commit S$10M (Option A: new business or expansion of an existing Singapore business), S$25M (Option B: GIP-approved fund), or S$50M (Option C: Singapore-based single family office with at least S$200M AUM). The S$10M floor was raised from S$2.5M in March 2023, and the family-office track now demands professional management. Many Australian founders choose the faster Employment Pass → PR route instead: incorporate a Singapore company, hire yourself at the EP minimum (S$5,600/month, S$6,200 in financial services), and apply for PR after 1–2 years on the EP. Full mechanics are on the Singapore country page.
Step 4: Document the break and the new tie
Australian audit defence is a documentation exercise. Build a contemporaneous file: signed Singapore lease or HDB/condo purchase contract dated before departure, Employment Pass or GIP In-Principle Approval letter, NRIC or Long-Term Pass issuance, IRAS Tax Identification Number, Singapore bank statements, Singapore mobile phone bill, Singapore health insurance, Australian property sold or genuinely let at arm’s length (a written tenancy agreement and rental ledger), Australian Medicare card cancelled, electoral roll removed, Australian driver’s licence surrendered or marked as overseas, and — crucially — a Singapore Certificate of Residence (COR) issued by IRAS for the first full Year of Assessment.
The Australia–Singapore Double Tax Agreement, originally signed in 1969 and updated by the Second Protocol in 2009, contains a standard residency tie-breaker in Article 4: where both countries treat you as resident, the order is permanent home → centre of vital interests → habitual abode → mutual agreement. The treaty also caps Australian withholding on dividends paid to Singapore residents (typically 15%, lower for substantial corporate holdings) and covers interest and royalties. The COR is what unlocks treaty benefits at the Australian-source side; without it, Australian payers will withhold at the higher domestic non-resident rate.
Step 5: First-year compliance in both jurisdictions
Australia: lodge a part-year resident return for the income year ending 30 June covering 1 July to your departure date, with the CGT event I1 schedule (or election) attached. Continue to lodge a non-resident return in any later year where you have Australian-source income — typically rent on a retained property, Australian dividends, distributions from an Australian trust, or a disposal of Taxable Australian Property. Non-residents lose the tax-free threshold and pay 32.5% from the first dollar of Australian-source income.
Singapore: file your first individual income tax return (Form B1 for residents) by 18 April of the following year via myTax Portal, declaring Singapore-source income. Foreign-source income is generally not declared because it is not assessable. The Inland Revenue Authority of Singapore (IRAS) issues the Notice of Assessment, payable in one lump sum or 12-month interest-free GIRO instalments. The Australian part-year return is where errors compound — hand it to an Australian-qualified tax agent who has run an I1 election before; the Singapore filing is comparatively simple.
Cost & Timeline
| Phase | Cost (AUD) | Time |
|---|---|---|
| Pre-departure tax planning + I1 modelling | $5,000–$15,000 | 1–3 months |
| CGT event I1 / part-year return (Australian agent) | $3,000–$10,000 | 1–3 months after EOFY |
| Singapore residency setup (EP or GIP) — fees only | $15,000–$150,000 | 4–12 months |
| GIP committed capital (if Option A) | S$10M (~AUD 11M) | Within 6 months of IPA |
| Move + relocation logistics (housing, schooling, freight) | $30,000–$120,000+ | 1–2 months |
| First-year dual filing (AU final + SG first) | $5,000–$12,000 | Annual |
| Total year-1 effective cost (EP route) | $60,000–$200,000 + I1 tax | 6–12 months |
The dominant variable is the CGT event I1 bill itself. A founder sitting on AUD 8M of unrealised gains on listed equities held more than a year faces roughly AUD 8M × 50% discount × 47% ≈ AUD 1.88M of Australian tax at departure. Singapore school fees (typically AUD 30,000–60,000 per child for international schools) and the ABSD on any property purchase (60% for foreigners as of 2026) are the next largest household line items. Pre-departure planning, loss harvesting, and timing the move into a low-income Australian tax year materially shift the I1 number.
Treaty Considerations
The Australia–Singapore DTA has been in force for over five decades, which gives the move a level of legal certainty most Asia-Pacific corridors lack. Article 4 (Residence) breaks ties using the OECD-model cascade: permanent home → centre of vital interests → habitual abode → mutual agreement procedure. The treaty’s Article 10 caps Australian withholding on dividends paid to Singapore residents at 15% (5% for shareholders holding ≥10% with corporate intermediation), Article 11 caps interest withholding at 10%, and Article 12 caps royalty withholding at 10%. Capital gains are largely allocated to the country of source for real property and to the country of residence for most other gains — meaning that once you are Singapore-resident under the tie-breaker, future gains on (non-Australian-real-property) assets are taxed only by Singapore, which has no CGT.
The treaty’s biggest practical benefit is defensive: it gives a clean basis for claiming non-residence of Australia under the tie-breaker where the ATO might otherwise argue the Domicile Test is not satisfied. The Singapore Certificate of Residence is what activates these benefits in practice — get it filed and on hand before you submit your first non-resident position to the ATO. Read the deeper treatment in our exit-tax pillar guide.
Common Mistakes
- Leaving without breaking the Resides/Domicile Test cleanly. Keeping an Australian family home “available” while you trial-live in Orchard Road is the classic mistake — the ATO will argue you never ceased to reside.
- Triggering CGT event I1 by surprise. Founders often don’t realise that ESOP shares in their own company, foreign ETFs, and crypto are all caught — and that the I1 valuation is on the departure date, not when you get around to filing. Get a contemporaneous valuation from a qualified valuer.
- Taking the I1 deferral election by default. Deferring sounds attractive, but locks every asset into the Australian tax net forever and forfeits the 50% CGT discount for the period after May 2012. Singapore has no CGT, so deferral usually means paying more Australian tax later, not avoiding tax entirely.
- Missing the 183-day Singapore threshold in year one. Spend 170 days in Singapore in your first calendar year and you are not a Singapore tax resident — even if Australia accepts you have left. The three-year administrative concession can rescue this, but plan around it from day one.
- Buying Singapore property too early. ABSD reaches 60% on residential property for foreign buyers and applies before PR is granted. Lease in year one; consider purchase only after PR, where rates are materially lower.
FAQ
Will I still have to file in Australia after moving?
Yes, in two situations: in the year of departure (a part-year return covering 1 July to your departure date with the CGT event I1 schedule), and in any later year where you have Australian-source income — typically rent on retained Australian property, distributions from an Australian trust, dividends from Australian shares (subject to non-resident withholding under the DTA), or a disposal of Taxable Australian Property. Australia does not impose citizenship-based taxation, so once your Australian-source income ends, your filing obligations end.
Can I keep my Australian bank accounts, super and property?
Yes to all three, with caveats. Banks reclassify the account as non-resident: no tax-free threshold on Australian interest, 10% non-resident withholding under the DTA. Your superannuation keeps its concessional treatment while preserved, but most contributions cannot be made as a non-resident; pension-phase withdrawals after 60 are generally tax-free in Australia and, because Singapore does not tax foreign-source income, also untaxed in Singapore. Australian real estate triggers non-resident CGT on sale (no 50% discount on the post-2012 portion, and the main-residence exemption is unavailable for the post-departure period since the 2019 reforms).
How long does the full move take?
Plan 6–12 months end to end via the Employment Pass route, 9–15 months via GIP. EP processing is typically 4–6 weeks once an EP-eligible Singapore entity is formed; PR follows after 1–2 years on the EP. The GIP is slower (9–12 months for In-Principle Approval, plus 6 months to satisfy investment milestones). Australian-side timing — moving into a low-income Australian tax year, sequencing the I1 valuation, and lodging the part-year return — usually sets the binding timeline.
What if the ATO disputes my exit?
ATO disputes typically focus on the Domicile Test and on contemporaneous evidence. The defence is paper: sold or arm’s-length-let Australian home, spouse and dependants relocated, Singapore Certificate of Residence in hand for the first full Year of Assessment, signed Singapore lease pre-dating departure, EP/PR documentation, Australian Medicare and electoral roll cancelled, and a clean part-year return with a properly disclosed CGT event I1. With that record, Harding and the post-2019 case law strongly favour the taxpayer. Without it, the ATO will press the point — sometimes years later under the four-year amendment window.
Does Singapore tax me on the gains Australia already taxed at departure under I1?
No. Singapore does not have a capital gains tax, so the disposal Australia deems to occur on departure is not a Singapore taxable event either now or when you actually sell. The I1 charge is a one-time Australian cost; future disposals from Singapore are tax-free in both countries (subject to the I1 election trap above and to the IRAS “badges of trade” doctrine if your activity is genuinely trading rather than investing).
Is foreign-source income really 0% in Singapore?
Yes for personal income tax purposes — section 13(7A) of the Income Tax Act exempts foreign-source dividends, interest and branch profits received in Singapore by resident individuals (the corporate exemption has more conditions). Salary paid by an overseas employer for work performed wholly outside Singapore is also not assessed. The exception is foreign income connected with a Singapore trade or business, or remitted in connection with a Singapore partnership — narrow categories that rarely catch passive HNW investors but can catch active operators, so structure the Singapore entity carefully.
Next Step
For the full destination-side breakdown — GIP mechanics, Employment Pass route, and Singapore tax residency tests — see Tax-Free Residency in Singapore. For a deeper look at exit-tax mechanics across jurisdictions, see How to Legally Exit a High-Tax Country. To compare Singapore head-to-head with Asia’s other low-tax hub, see Singapore vs Hong Kong.
Book a free consultation — we specialise in Australia-to-Singapore relocations and have a standing checklist for the CGT event I1 election decision.
Last updated: 2026-04-27
Sources:
– Australian Taxation Office — Residency tests for individuals (https://www.ato.gov.au/individuals-and-families/coming-to-australia-or-going-overseas/work-out-your-tax-residency)
– ATO — CGT event I1 (Individual ceases to be an Australian resident), s104-160 ITAA 1997 (https://www.ato.gov.au/individuals-and-families/investments-and-assets/capital-gains-tax/foreign-residents-and-cgt)
– Treasury (Australia) — Australia–Singapore Double Tax Agreement and 2009 Second Protocol (https://treasury.gov.au/tax-treaties)
– Inland Revenue Authority of Singapore — Individual tax residency and foreign-source income (https://www.iras.gov.sg/)
– Singapore Economic Development Board — Global Investor Programme (https://www.edb.gov.sg/en/how-we-help/incentives-and-schemes/global-investor-programme.html)
– PwC Worldwide Tax Summaries — Singapore Individual Taxes (https://taxsummaries.pwc.com/singapore/individual)