Compare Top Health Funds: Bupa, Medibank, HCF, HBF, NIB
Australia's Major Health Funds
There are over 30 health funds in Australia, but five major players cover more than 80% of the market. Here's how they compare.
Bupa
Market share: ~27%: Australia's largest health insurer.
Strengths: Wide network of extras providers, strong dental and optical offerings, competitive packages for families. Bupa operates its own dental and optical centres, offering members additional discounts.
Weaknesses: Some policies have complex exclusions. Premiums tend to be above average. Customer satisfaction scores are mid-range.
Medibank (including ahm)
Market share: ~26%: Second largest, government-owned until 2014 IPO.
Strengths: Well-known brand, broad range of policies from budget (ahm) to premium (Medibank). Strong digital tools and app. Live chat, easy claims. Often competitive for singles and young adults.
Weaknesses: Some policies have limited hospital choice (e.g. no cover for certain private hospitals). Customer satisfaction is average.
HCF
Market share: ~8%: Not-for-profit health fund.
Strengths: Not-for-profit means profits go back to members as lower premiums or better benefits. Consistently high member satisfaction. Strong extras with good dental and optical limits. Offers members discounts at HCF-owned dental centres.
Weaknesses: Smaller network than Bupa/Medibank. Limited in some regional areas. Fewer policy options.
HBF
Market share: ~6%: Western Australia's largest fund, not-for-profit.
Strengths: Excellent member satisfaction: often rated highest in customer surveys. Competitive premiums, especially in WA. Strong extras cover. Not-for-profit, so premiums are generally lower.
Weaknesses: Primarily WA-focused. Outside WA, the provider network and benefits may be more limited.
NIB
Market share: ~5%: Publicly listed, mid-sized fund.
Strengths: Competitive pricing, particularly for young singles and basic hospital cover. Strong digital experience. Known for straightforward, simpler policies.
Weaknesses: Extras limits can be lower than competitors. Customer satisfaction is lower than not-for-profits. Smaller provider network.
Other Notable Funds
- Australian Unity: Not-for-profit, good for seniors with strong health management programs.
- Defence Health: Excellent for current and ex-defence members.
- Teachers Health: Open to education sector employees.
- GMHBA: Regional fund with strong local benefits.
- Peoplecare: Small not-for-profit with high satisfaction.
How to Choose a Fund
Don't just look at the premium. Compare:
- Annual limits for the services you actually use.
- Waiting periods: especially important for pregnancy and pre-existing conditions.
- Network coverage: do they pay full benefits at your preferred hospital or provider?
- Excess options: flexibility to reduce premiums.
- Member satisfaction: check the latest CHOICE or PwC surveys.
Use our guide to choosing the right policy for a step-by-step approach.
2026 Premium Increases by Fund
The 4.41% average rise approved for 1 April 2026 was the biggest in nearly a decade, but the spread between funds was wide. Based on the published 2026 determinations (Canstar and iSelect summaries), the largest average increases were AIA Health at 5.98%, NIB at 5.47%, Medibank at 5.10% and HCF at 4.96%, while Bupa rose 4.80%. At the other end, HBF rose just 2.15% and GMHBA 1.98%. Because your premium is also affected by your tier, excess and state, the fund-level average is only a starting point — but if your fund is at the top of that range, it is a strong prompt to re-quote elsewhere.
Beyond Price: Satisfaction, Complaints and Networks
Price is not the only axis. The Commonwealth Ombudsman publishes an annual report on health fund complaints — check it for complaint numbers relative to fund size before you switch. Consumer surveys such as CHOICE's annual member satisfaction poll consistently rank the not-for-profits (HCF, HBF, and smaller funds like GMHBA and Peoplecare) above the big listed funds on satisfaction, while the big funds win on provider network breadth and extras centres. The right fund for you depends on which services you use: a fund with its own dental centres is valuable only if you live near one.
Switching Funds Without Losing Benefits
Switching is low-risk if you follow two rules. First, waiting periods already served carry over to the new fund when you move to equivalent or lower cover — you do not start from zero. Second, keep your cover continuous: a gap of more than 2 days in 12 months can trigger LHC loading and restart some waiting periods. Practical steps: use privatehealth.gov.au to compare, check your preferred hospitals are in the new fund's network, and arrange the new policy to start the day before the old one ends.