Understanding Private Health Insurance and Tax in Australia

A clear guide to how private health insurance and tax fit together, what rules may apply, and when cover matters.

How do private health insurance and tax fit together?

Private health insurance is not compulsory in Australia, and for many people the link between insurance and tax isn’t immediately obvious. The connection comes from government initiatives that may affect how much tax some people pay depending on their income and whether they hold eligible private hospital cover.
 
These initiatives are designed to balance the use of public and private healthcare, particularly among high-income earners. In practice, most people only see their impact when lodging a tax return.
 
Understanding how private health insurance and tax intersect can make these outcomes feel more predictable at tax time.

When does tax become relevant to private health insurance?

Tax considerations usually come into play if:
 
  • Your income is above certain government-set thresholds, or
  • You receive a government rebate toward the cost of private health insurance
In most cases, any tax impact is assessed after the end of the financial year rather than through regular premium payments, which is why it can sometimes take people by surprise.

What is the Medicare Levy Surcharge?

The Medicare Levy Surcharge (MLS) is an additional tax that may apply if you earn above a specified income threshold and do not hold eligible private hospital cover.
 
It is separate from the standard Medicare Levy, which most Australian taxpayers pay regardless of whether they have private health insurance.
 
Holding eligible private hospital cover for the relevant period may reduce or remove the Medicare Levy Surcharge. Taking up Extras-only cover will not remove MLS and does not apply for this purpose.
 
For a clearer breakdown of how this works, please see our Medicare Levy Surcharge resource page.

What type of cover matters for tax purposes?

When it comes to tax, only eligible hospital cover is recognised.

Put simply:
 
  • The policy must include hospital cover that meets Australian Government requirements
  • The cover must be held for the full financial year or the relevant portion of it
Extras cover on its own does not reduce the Medicare Levy Surcharge. Some people choose hospital-only cover primarily for tax reasons, while others take out combined hospital and extras cover to support broader healthcare needs.

What is the Australian Government private health insurance rebate?

The private health insurance rebate is a government contribution that may help reduce the cost of eligible private health insurance policies.
 
The rebate:
 
  • Is income-tested
  • Applies to hospital, extras, and combined cover
  • Can be received as a reduced premium during the year or through a tax return
If your income changes during the year, the rebate you’re entitled to may also change, which can lead to an adjustment when you lodge your return.
 
For more information, please see our Private Health Insurance Rebate resource page.

What happens if your cover changes during the year?

Changes to private health insurance during the year can affect your tax outcomes.
Common situations include:
 
  • Starting hospital cover partway through the year
  • Cancelling cover before 30 June
  • Switching policies or providers
In these cases, the Medicare Levy Surcharge and rebate are generally assessed proportionally based on the days you held eligible cover.

How does private health insurance appear on a tax return?

Private health insurance details are usually pre-filled in your tax return, including:
 
  • Policy information
  • Dates of cover
  • Any rebate received
This information helps determine whether the Medicare Levy Surcharge applies and whether the correct rebate amount has been applied. Income changes during the year are one of the most common reasons for tax adjustments.

Is private health insurance worth it from a tax perspective?

Whether private health insurance makes sense from a tax perspective depends on your individual circumstances, including income level, household situation, and personal preferences around healthcare.
 
Some people compare the cost of eligible hospital cover with the potential Medicare Levy Surcharge. Others look at tax considerations alongside access, flexibility, and longer-term affordability.

Need help reviewing your cover?

Because tax outcomes depend on your income, household circumstances, and the type of cover you hold, it can be helpful to review your private health insurance regularly.
 
AIA Health offers hospital and extras cover options designed to suit different needs and budgets. A personalised quote can help clarify what cover and costs may look like for you.

Frequently asked questions

Holding eligible private health insurance may help reduce your tax bill if you are a high-income earner who earns above a specified income threshold. If you earn below this threshold, holding private health insurance may not affect what you pay at tax time.
 
For the latest information on these thresholds, please visit the ATO’s Medicare levy surcharge income, thresholds and rates page. 

No. Extras-only cover does not reduce the Medicare Levy Surcharge.

No. The standard Medicare Levy usually still applies. Eligible hospital cover may affect the Medicare Levy Surcharge only.

If your income changes, your rebate entitlement or exposure to the Medicare Levy Surcharge may also change, which can result in a tax adjustment.

Yes. Couples and families are assessed against combined income thresholds, which generally increase with each dependent child after the first. 

No. Lifetime Health Cover loading is not a tax and does not appear on your tax return. It affects the cost of private hospital cover based on the age at which cover is first taken out. For more information about Lifetime Health Cover loading, visit our Lifetime Health Cover loading resource page.