Are Australian Superannuation Employer Contributions Currently Taxable on My U.S. Return Even If I Cannot Access Them Yet?

Yes. Australian superannuation is taxed by the U.S., and you must report it on Form 8621 as a Passive Foreign Investment Company (PFIC) or on Form 3520-A as a foreign trust, depending on your account structure. The U.S.-Australia tax treaty does not exempt superannuation from U.S. taxation or grant deferral.

How superannuation is taxed in the U.S.:

  • Contributions (both employer and employee) are taxable income in the U.S. in the year made, even though you cannot withdraw them
  • Earnings (interest, dividends, capital gains) are taxed annually within the account
  • When you reach preservation age and take a distribution, it is taxable as ordinary income
  • The account is treated as a PFIC or foreign grantor trust; the IRS does not recognize the Australian tax-deferred status

Reporting requirements for Australian superannuation:

Reporting elementRequirement
Form 8621 (PFIC)File annually if the fund holds diversified investments (most common)
Form 3520-A (foreign trust)File if the account is treated as a foreign grantor trust
FBAR (FinCEN 114)Required if superannuation plus all foreign accounts exceed $10,000
FATCA (Form 8938)Required if foreign financial assets exceed $200,000 (single) or $400,000 (MFJ)
Form 1040 Schedule 1Report the annual taxable amount as foreign investment income

Common misconception:

Many U.S. citizens in Australia assume the account is tax-deferred because Australia defers the earnings. This is false; the U.S. taxes both contributions and earnings annually.

Minimizing the tax burden:

  • Mark-to-market election on Form 8621: Annual unrealized gains are taxed at ordinary income rates; distributions are then basis returns. This prevents deferred compound taxation.
  • Foreign Tax Credit: If Australia taxes a distribution, you may claim the credit on Form 1116.

For a deeper dive into superannuation tax treatment, see Australia Superannuation and U.S. Taxation.

Last updated on April 30, 2026