Health Insurance

How are health insurance premiums calculated?

Let's look at the key factors that change your monthly health insurance costs.

Written by:
Lawrence Howlett
Edited by:
Fact Checked by:
Published:
October 16, 2025

How Health Insurance Premiums Are Calculated?

When you're shopping around for health insurance quotes, the cost of the premium is one of the first things you check. But it's not a random number - several important factors go into the calculation. Understanding these can help you find a plan that fits your budget and needs. Let's break down what affects your premiums and how you can make sense of it all.

Main factors behind your premiums

Insurers look at several key elements to work out how much you'll pay each month. These include:

  • Your age - Older people tend to pay more as they're more likely to need healthcare.
  • Your location - Premiums can vary depending on where you live, reflecting local healthcare costs.
  • Your medical history - Past or existing conditions can increase your risk and cost to insurers.
  • Type of coverage - Plans with more hospital access, extra cover, or lower excess can cost more.
  • Lifestyle factors - Smoking or risky activities might lead to higher premiums.

Tip: Insurers use statistics and risk models to work out the likelihood of a claim, and these factors combine to make up your monthly premium.

Personal choices and insurer rules

Beyond your personal details, your choices and your insurer's policies also shape the cost of your premiums:

  • Excess level - Choosing higher excess (what you pay towards a claim) can lower premiums.
  • Coverage limits - More comprehensive cover with fewer limits typically costs more.
  • Waiting periods - Shorter waiting times for benefits can increase your premiums.
  • Discounts and bonuses - Some insurers offer discounts if you buy online or stay long-term.
  • Regulations and standards - These keep premiums fair but can affect prices across the board.

Tip: Adjust your plan options and understand the rules - then you can manage what you pay without reducing the coverage you want.

Summing up

Calculating health insurance premiums is a mix of your personal details, health factors, lifestyle, and the choices you make about your cover. Excess level, waiting periods, and insurer policies also play a role. By tailoring your coverage and understanding what drives premiums, you can avoid surprises and secure the best value for your money.

Frequently Asked Questions

Why does my age affect my health insurance premium?

Age affects premiums because as you get older, you're statistically more likely to need medical treatment. Insurers raise premiums to cover this higher risk. It's a way of balancing costs so the insurer can offer fair pricing across all age groups while protecting their ability to pay future claims.

Can I lower my premium by increasing my excess?

Yes, increasing your excess means you pay more towards any claim before your insurer steps in. This reduces the insurer's risk and usually lowers your monthly premium. It's a useful way to save money if you're comfortable covering smaller medical costs yourself but want insurance for bigger expenses.

Does my lifestyle really influence my premium?

Absolutely. If you smoke, take part in risky hobbies, or have an unhealthy lifestyle, insurers see you as a higher risk for claims. This means your premiums will generally be higher. Being honest about your lifestyle means you get an accurate quote and avoids issues with claims later on.

How do waiting periods affect my premium?

Waiting periods are the time you must wait before claiming certain benefits. Shorter waiting periods usually increase premiums because you can claim sooner. Longer waiting periods lower the insurer's risk and so reduce your costs, but you'll need to wait to access some treatments or extras.

Are there any ways to get discounts on health insurance?

Yes, many insurers offer discounts if you buy online, pay annually instead of monthly, or bundle hospital cover with extras. Also, loyalty discounts might apply if you stay with the same provider for years. Always ask about available discounts to reduce your premium without cutting essential coverage.

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About the author

Lawrence Howlett

Founder of Money Saving Advisors and a finance writer known for clear, actionable insights.

Learn more about Lawrence Howlett
Important Information

The details shown are for illustration only and may not include all lenders or products. Actual rates and terms depend on your circumstances and the lender’s assessment. Information was correct at publication but may change at any time.