A growing number of Australian workers are being driven to purchase private hospital insurance after recent wage increases pushed their incomes above the threshold for the Medicare Levy Surcharge (MLS), exposing them to additional tax liabilities if they remain uninsured.
The trend has emerged as salary growth across various sectors has lifted many employees into higher income brackets, a phenomenon often referred to as “threshold creep”. As a result, many Australians are reviewing their financial arrangements before the start of the new financial year on 1 July to avoid incurring the surcharge.
The Medicare Levy Surcharge is an additional tax imposed on Australian residents whose incomes exceed specified thresholds and who do not maintain an appropriate level of private hospital insurance. The measure is designed to encourage higher-income earners to utilise private healthcare services and reduce pressure on the public health system.
Under the current framework, the income threshold for single individuals is set at US$72,721 (A$101,001), while couples and families face a combined threshold of US$145,441 (A$202,001). Those who exceed these limits and do not hold eligible private hospital cover for the entire financial year are required to pay an additional surcharge ranging from 1% to 1.5% of their taxable income. This charge is applied on top of the standard 2% Medicare Levy paid by most taxpayers.
Research commissioned by comparison website Money.com.au found that nearly one-third of Australian employees who received pay rises during the past year have now crossed the surcharge threshold. Consequently, many are facing the prospect of a higher tax bill unless they obtain qualifying private hospital insurance.
For single taxpayers, the minimum surcharge amounts to US$727 (A$1,010) annually. For couples and families, the minimum additional tax begins at US$1,454 (A$2,020), making the financial implications significant for those affected.
Chris Whitelaw, General Manager of Health Insurance at Money.com.au, said individuals whose incomes have recently exceeded the thresholds should carefully assess whether purchasing insurance would be more cost-effective than paying the surcharge.
He advised consumers to compare the annual cost of private hospital cover against the projected amount of tax they would otherwise be required to pay.
According to the research, some basic hospital insurance policies are available from approximately US$720 (A$1,000) per year for single policyholders. In certain cases, this premium is lower than the surcharge that would be imposed on uninsured higher-income earners.
However, Mr Whitelaw cautioned that entry-level policies often provide limited clinical benefits. He suggested that consumers may wish to evaluate more comprehensive policies that include hospital treatment and additional healthcare benefits. These supplementary benefits, commonly referred to as “extras”, can provide rebates for services such as dental treatment, optical care and physiotherapy.
Australian regulations stipulate that only eligible private hospital insurance policies issued by registered health funds qualify for an exemption from the Medicare Levy Surcharge. Policies covering only ancillary services, such as extras cover, or those limited to ambulance services do not meet the requirements for exemption.
The Australian Government has already announced future adjustments to the income thresholds. From 1 July 2026, the MLS threshold for single taxpayers will increase to US$75,601 (A$105,001), while the threshold for couples and families will rise to US$151,201 (A$210,001). The changes are intended to reflect income growth and reduce the impact of threshold creep over time.
The research also revealed notable differences across age groups, indicating that younger Australians have been disproportionately affected by recent wage growth.
| Demographic Group | Percentage Impacted by Threshold Creep |
|---|---|
| Millennials | 49% |
| Generation Z | 39% |
| Generation X | 27% |
| Baby Boomers | 7% |
According to the findings, nearly half of Millennial respondents reported that a pay rise had pushed them above the MLS income threshold during the past year. Among Generation Z respondents, 39% experienced the same outcome. By comparison, only 27% of Generation X respondents and 7% of Baby Boomers reported crossing the threshold.
The figures suggest that recent wage growth has had the greatest impact on younger professionals, many of whom are now reassessing their insurance arrangements and tax obligations as the new financial year approaches. With more workers entering higher income brackets, private hospital insurance is increasingly being viewed not only as a healthcare decision but also as an important component of personal tax planning in Australia.