US Citizens in Australia Need an EA. Here's Why.

2026-07-09

Last reviewed: July 9, 2026. This article reflects current IRS rules and EA exam requirements as of this date.

An estimated 100,000-200,000 Americans live in Australia. Every single one of them must file US taxes. Most also file Australian taxes. The overlap between the two systems creates a substantial market for US-credentialed tax professionals.

What Makes Australia Different

US-Australia income tax treaty, signed 1982 and updated by a 2001 protocol, prevents double taxation. But it doesn't eliminate the filing burden. Americans in Australia file Form 1040 with the IRS. They also file with the Australian tax authority. The complexity comes from the interaction between the two systems.

Superannuation is a US tax headache. Australia's mandatory retirement system requires employers to contribute 11.5% of salary (rising to 12% by 2025) to a super fund. The US does not recognize super as a qualified retirement plan. Employer contributions may be taxable to the US shareholder if the fund is treated as a foreign trust. The treaty provides some relief under Article 17, but the analysis depends on the specific fund structure. Most Australian super funds are not 'qualified' under the treaty, meaning US tax on the contributions and earnings is deferred but not eliminated. The US-Australia totalization agreement helps with Social Security but doesn't solve the income tax treatment.

The Foreign Housing Exclusion is relevant here. The FEIE lets you exclude $130,000 for 2025. The Foreign Housing Exclusion adds more — up to 30% of the FEIE limit for housing costs above 16% of the FEIE limit. Australia's high cost of living in Sydney and Melbourne makes the housing exclusion relevant. Coordinating the FEIE, the housing exclusion, and the Foreign Tax Credit requires understanding Australian marginal tax rates (up to 45% plus 2% Medicare levy) vs US rates.

Australian franking credits don't translate. Australian companies pay dividends with franking credits attached — imputation credits for corporate tax already paid. The US doesn't recognize franking credits. An American shareholder in an Australian company pays US tax on the gross dividend (pre-franking) without credit for the Australian corporate tax. Some preparers claim the franking credits as foreign tax credits on Form 1116. The IRS has not issued definitive guidance.

The rental property trap. Many Americans in Australia own investment property. Australian rental income is taxable in both countries. Negative gearing — borrowing to invest and claiming the interest deduction — works in Australia but the US passive activity loss rules and the interest tracing rules create different treatment. A loss that reduces Australian tax may be suspended under US passive loss rules. The dual filing coordination is complex.

Why an EA Specifically

The Enrolled Agent is the only federal tax credential that is 100% tax-focused, has no degree requirement, and carries unlimited IRS representation rights. For expats, representation rights matter — international returns are audited at higher rates. An EA in Australia can serve the American expat community and build a practice that operates across borders.

The Demand Signal

Major expat tax firms list Australia as a core market. The complexity is structural. The supply of preparers who understand both the US and Australian tax systems is thin. The EA credential is the fastest path to building US-side tax authority for anyone who wants to serve this market.

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