This article is general information, not insurance, medical, legal or financial advice. How premiums are set and changed differs by country, state, insurer and employer, so your renewal notice is the best source for your own situation.
Why the price is not fixed
A premium is the regular amount paid to keep coverage active. Unlike a fixed subscription, it is typically reviewed at least yearly. The insurer, or the employer in some cases, sets the new amount for the next plan year and informs members, usually ahead of open enrollment or the renewal date. Understanding what lies behind the adjustment helps you judge whether it is a market-wide trend or something specific to your plan.
Common drivers of change
Medical costs
Premiums are designed to cover the claims a plan expects to pay plus administrative costs. If the prices of hospital stays, procedures, drugs and equipment go up, expected claims go up, and premiums often follow. Wider healthcare cost trends are a main reason that premiums tend to rise over time, though the size of the change varies from year to year and from place to place.
How much care people use
Insurers look at how many members used care and how much it cost. If more people use services, or if a few members have very expensive claims, the pooled cost goes up. The reverse can also occur. In a small group, a handful of large claims can have a noticeable effect, while larger pools are usually more stable.
Expensive treatments and drugs
New treatments, specialty medications and advances in technology can improve care and raise spending. How a plan covers prescription drugs and how it negotiates prices can influence this.
Changes to the plan itself
A plan’s design may change at renewal. A lower deductible or added benefits can raise the premium, while a higher deductible or narrower network can lower it. Check whether the plan you hold this year is the same as the one on offer next year. The names may match while the details do not.
Regulation and rules
Laws and regulators can affect how premiums are set. In some places, regulators review or approve rate increases, require insurers to justify them, or limit which factors may be used in pricing. Changes in healthcare reform, taxes, fees or required benefits can also change costs. These rules differ widely, so what applies in one place may not apply in another.
Competition and the insurer’s own finances
The number of insurers in a region, their expected profit margins, administrative costs and reserve needs can all play a part. When an insurer exits a market or a new one enters, prices may shift.
The overall risk pool
If the group of people enrolled becomes, on average, older or sicker than expected, costs rise. If healthier people leave a plan or choose not to enroll, the remaining pool may be costlier to cover. Pool size and mix matter more in the individual and small-group markets than in large employer plans.
Changes that are personal to you
Sometimes the change in what you pay is not the plan’s overall rate:
- Age. In systems that allow age-based pricing, getting older can raise your premium, within whatever limits local rules set.
- Household changes. Adding a spouse or child changes the number of people covered.
- Location. Moving can change rates because prices vary by region.
- Employer contribution. Your employer may change how much of the premium it pays, so your share could rise even if the plan price does not. The employer contribution is often decided separately from the plan’s rate.
- Income-based help. Where premium subsidies exist, your share can change if your income or household changes, even when the plan’s list price is the same.
- Tobacco or wellness factors. Some places or employers allow surcharges or discounts tied to such factors, under specific rules.
Why a change is not always a sign of a problem
A premium increase does not necessarily mean the plan is getting worse, and a decrease does not mean it is getting better. A plan can raise its price while keeping the same coverage, or hold the price steady by raising cost sharing. For this reason, compare the full cost, not only the premium. A change in the deductible or copays can matter as much as the premium change.
What you can do at renewal
- Read the renewal notice carefully. Note the new premium, the plan’s benefits and any changes in the network or drug list.
- Compare it with other options available to you during open enrollment. If your plan renews automatically, you may be continued in the same plan without taking action, so check the deadline for making changes.
- Estimate total yearly cost, including premiums and likely cost sharing, rather than looking only at the monthly figure. A simple hypothetical: a $20 monthly rise adds $240 over twelve months.
- Check whether your doctors and medications remain covered.
- Ask whether you are eligible for any financial help or different plan options.
- If you disagree with a rate, ask the insurer or employer for an explanation. In some places, you can also contact the insurance regulator.
The takeaway
Premiums change because the cost of care, the way people use it, the structure of the plan and the rules around pricing all change. Some of these are beyond anyone’s control, and some are things you can compare or respond to. Looking at each renewal as a chance to review your needs, rather than simply accepting the new price, is a sensible habit.