Health Insurance Guide: US, UK and Australia Compared

United States: Employer Insurance, ACA, Medicare and Medicaid

Employer-sponsored insurance is the most common way Americans get health coverage. Your employer pays roughly 80% of the premium, and you pay the remaining 20% — typically $100-300/month for an individual plan. These plans come in several network types. HMO (Health Maintenance Organization) requires you to choose a primary care physician and get referrals to see specialists — costs are lower but flexibility is limited. PPO (Preferred Provider Organization) lets you see any doctor without a referral, in or out of network, but costs more. EPO (Exclusive Provider Organization) covers care only within its network but does not require referrals. Most employer plans also include an out-of-pocket maximum — for 2025, the maximum is $9,450 for an individual plan.

The Affordable Care Act (ACA), also known as Obamacare, created marketplaces where individuals can buy insurance with income-based subsidies. Plans are divided into four metal tiers: Bronze (lowest premium, highest out-of-pocket costs), Silver (moderate premium and costs, eligibility for extra savings), Gold (higher premium, lower out-of-pocket), and Platinum (highest premium, lowest out-of-pocket). If your income is between 100% and 400% of the federal poverty level, you qualify for premium tax credits that cap your insurance cost at a percentage of your income. Calculate how much you need for medical emergencies →

Medicare covers Americans aged 65 and older, plus younger people with certain disabilities. Part A (hospital insurance) is free for most people if you or your spouse paid Medicare taxes for at least 10 years. Part B (medical insurance) costs $174.70/month (standard 2025 rate). Part D covers prescription drugs and is purchased through private insurers. Medigap is supplemental insurance that covers costs Original Medicare does not, such as copayments and deductibles. Medicare does not cover everything — dental, vision, and hearing aids are typically excluded. Medicaid provides free or low-cost health coverage to low-income individuals and families, with eligibility varying by state. Learn about life insurance alongside health coverage →

United Kingdom: NHS and Private Health Insurance

The NHS provides comprehensive healthcare free at the point of use to all UK residents. It is funded through general taxation and National Insurance contributions. The NHS covers general practitioner (GP) visits, hospital care, emergency treatment, mental health services, and most medical procedures. You do not receive bills for NHS treatment — the cost is spread across the population through the tax system. Prescriptions cost a flat rate of £9.90 per item in England (free in Scotland, Wales, and Northern Ireland). Dental care under the NHS is subsidized but not free, with charges up to £306.80 for complex treatment.

Private health insurance in the UK is used by approximately 10-15% of the population. It provides faster access to treatment — you can skip NHS waiting lists, choose your consultant, and get a private room in hospital. Private insurance costs £50-200/month depending on your age, the level of coverage, and your health status. Typical policies cover private hospital treatment, diagnostic tests, and surgery. They generally do not cover emergency care, GP visits, or pre-existing conditions. Private insurance is most commonly purchased by higher-income individuals who want to avoid waiting lists for elective procedures, which can be several months on the NHS for non-urgent surgery. Subscribe for weekly UK finance tips →

Australia: Medicare and Private Health Insurance

Medicare is Australia's universal public health system. It provides free treatment in public hospitals, subsidized GP visits (you pay nothing if the doctor bulk-bills), and subsidized specialist visits. Medicare covers 85% of the scheduled fee for specialist consultations and 75% for in-hospital services. The Medicare Levy is 2% of your taxable income, which every taxpayer pays to fund the system. If you earn over $93,000 as a single ($186,000 as a couple), and you do not have an appropriate level of private hospital cover, you pay an additional Medicare Levy Surcharge of 1-1.5% of your income as a tax penalty.

Private health insurance in Australia serves two main purposes. Hospital cover lets you choose your own doctor, avoid public hospital waiting lists, and be treated as a private patient in a private or public hospital. Extras cover (also called general treatment) covers services Medicare does not — dental, optical, physiotherapy, and chiropractic. The government encourages people to take out private hospital cover early through the Lifetime Health Cover loading. If you do not take hospital cover by July 1 following your 31st birthday, your premium is loaded by 2% for every year you delay. A 40-year-old taking out cover for the first time pays a 20% loading on top of the base premium. This loading disappears after 10 continuous years of cover. Build a complete financial plan across borders →

What's the best health insurance in the US?

The best health insurance depends on your situation. For most employed Americans, the employer-sponsored plan is the best option because the employer covers most of the premium. Compare the premium, deductible, copay, and out-of-pocket maximum across available plans. If you buy your own insurance, use the ACA marketplace to see if you qualify for subsidies. For those on a tight budget, a Bronze or Silver plan with a high deductible keeps premiums low — pair it with a Health Savings Account (HSA) if the plan is HSA-eligible. For those with regular medical needs, a Gold or Platinum plan with higher premiums but lower out-of-pocket costs can save money overall.

Is private health insurance worth it in the UK?

For most UK residents, private health insurance is not essential. The NHS provides comprehensive care for free, including all emergency treatment and most elective procedures. Private insurance is worth considering if you value shorter waiting times for non-urgent surgery, want to choose your consultant, or prefer a private room during hospital stays. It is also common for higher earners who want to avoid the inconvenience of NHS waiting lists. Weigh the £50-200/month cost against how much you value faster access and convenience. Many employers offer private health insurance as a benefit, which makes it effectively free.

Do I need private health insurance in Australia?

It depends on your income and age. If you earn over $93,000 as a single ($186,000 as a couple), the Medicare Levy Surcharge adds 1-1.5% to your tax bill unless you have hospital cover. At $120K income, that surcharge is $1,200-1,800/year — roughly the same as a basic hospital policy. If you are under 31 and have not yet taken hospital cover, you should consider it to avoid the Lifetime Health Cover loading later. Even if you do not earn enough to trigger the surcharge, private cover can give you choice of doctor and faster access to elective surgery. Dental and optical cover is the main reason many Australians buy extras policies, as Medicare does not cover these.

What is the Medicare Levy Surcharge?

The Medicare Levy Surcharge is an additional tax the Australian government imposes on higher-income earners who do not have an appropriate level of private hospital insurance. For singles earning over $93,000 (2025 threshold), you pay an extra 1% of your income. For singles earning over $108,000, the surcharge rises to 1.25%, and over $144,000 it reaches 1.5%. For couples and families, the thresholds are doubled. The surcharge is designed to encourage people to take out private cover, reducing pressure on the public hospital system. If your income is close to the threshold, contributing to superannuation can reduce your taxable income and potentially bring you below the threshold.

Related Resources