If you have just moved to Switzerland, you must take out Swiss basic health insurance (KVG) within three months of taking up residence — and each family member needs their own policy. Register within that window and your cover is backdated to your arrival date, so treatment you received in the meantime is reimbursed and premiums are owed from day one. Miss it, and cover starts only from the day you enrol, a premium supplement may be added, and the authority designated by your canton can simply choose an insurer for you. Insurers must accept you for basic insurance regardless of age or health.
Key takeaways
The deadline is three months from taking up residence, not three months from receiving your permit or your first payslip.
Cover applied for in time is retroactive to your arrival date; premiums are also payable retroactively.
Every person is insured individually — spouses and children each need their own contract, including babies born in Switzerland.
For basic insurance there is no health questionnaire, no exclusion and no waiting period. Supplementary (VVG/LCA) cover is the opposite: it is underwritten and can be refused.
A small number of groups — certain EU/EFTA/UK students, posted workers, diplomats and people insured elsewhere under a coordination rule — can be exempted, but only on application to the cantonal authority.
If your household income is modest, the canton may pay part of your premium through premium reductions; this is applied for separately from the insurance itself.
Who has to be insured in Switzerland — and from when
Compulsory health insurance follows residence, not nationality and not employment. Anyone who establishes residence in Switzerland becomes subject to the insurance obligation, and the clock starts on the day residence begins. The Federal Office of Public Health states the rule plainly: insurance must be taken out within three months after taking up residence, or after a birth in Switzerland.
In practice you are normally covered by the obligation if any of the following apply:
You live in Switzerland, whatever your passport says.
You hold a Swiss residence permit valid for three months or longer.
You work in Switzerland for less than three months and do not have equivalent cover from abroad that is valid here.
You are covered by a social security agreement that places you under Swiss health insurance.
The obligation is personal. A family of four arriving together needs four contracts, and each person can hold a different insurer, model and deductible. If you are still forming a picture of the system as a whole, our explanation of how Swiss health insurance works covers the structure behind these rules.
Your first three months: a practical timeline
| When | What to do | Why it matters |
|---|---|---|
| Week 1–2 | Register with your commune (Einwohnerkontrolle / contrôle des habitants) | Your registration date usually fixes the start of the insurance obligation |
| Week 2–4 | Check whether an exemption could apply to you | Exemptions must be applied for; they are not granted automatically |
| Week 3–6 | Compare premiums for your commune on the federal calculator, then choose model and deductible | Premiums differ substantially by insurer, canton and region for identical statutory cover |
| Week 4–8 | Apply in writing to your chosen insurer, stating the start date as your arrival date | A written application with a clear start date avoids disputes about retroactive cover |
| Within 3 months | Ensure the policy is in force and pay any retroactive premiums | The statutory deadline; after it, cover starts only from enrolment |
| After enrolment | Apply to the canton for a premium reduction if your income qualifies | Cantonal support is separate from the insurance contract and is never applied automatically by the insurer |
Nothing prevents you from doing all of this in your first fortnight, and there is a good reason to: until the contract exists, every medical bill is yours to fund up front, even though it will later be reimbursed.
What backdating actually means for your bills
If you apply within the three-month window, cover takes effect from the beginning of your residence. Costs incurred since that date are reimbursed under the normal rules — which means after your franchise and the 10% retention fee, capped at CHF 700 per adult and CHF 350 per child per calendar year, plus CHF 15 per day towards an inpatient stay.
Premiums follow the same logic. If you arrive on 1 March and sign in late May, you owe premiums from 1 March. Insurers must calculate premiums to the day in the month you arrive, so a mid-month arrival is not charged as a full month.
If you miss the deadline, three things change: cover begins only on the date of enrolment, earlier costs stay with you, and a premium supplement is payable unless you can justify the delay. Should you do nothing at all, the authority designated by your canton will register you and select an insurer on your behalf — usually not the one you would have chosen.
Choosing an insurer, a model and a deductible
Basic insurance benefits are set by federal law, so the statutory catalogue is identical everywhere. What differs is price, service and the model you accept.
Premium — set by insurer, canton and premium region. Compare on the federal calculator at priminfo.admin.ch rather than relying on a single quote.
Insurance model — standard free choice of doctor, or a restricted model (family doctor, HMO, Telmed) with a discount in exchange for a defined first point of contact. Our comparison of Swiss insurance models sets out the trade-offs.
Deductible — the annual franchise you carry before the insurer pays. The mechanics, and how to pick a level sensibly, are explained in our guide to the Swiss franchise.
Accident cover — if you are employed for at least eight hours a week, your employer's UVG/LAA accident insurance normally covers you. You can then ask your health insurer to remove accident cover and reduce the premium accordingly.
Since the benefits are the same, the honest question for a newcomer is not "which insurer is best?" but "which combination of premium, model and deductible suits how my household actually uses healthcare?" Our overview of choosing health insurance as an expat works through that decision.
Supplementary insurance: the one decision that gets harder over time
Basic insurance must accept you. Supplementary insurance (VVG/LCA) does not. It is private contract law: the insurer may ask detailed health questions, exclude existing conditions, load the premium or decline the application outright.
This is why the sequencing matters when you move. Basic cover can be arranged calmly and cannot be refused. Supplementary cover — private or semi-private hospital accommodation, dental benefits, wider outpatient benefits, worldwide travel protection — is easiest to obtain while everyone in the household is healthy. A diagnosis made in your first Swiss year can permanently narrow what is available. The distinctions are set out in our guide to basic versus supplementary insurance.
Expert Insight
One important distinction is between the date you take up residence and the date printed on your permit. Permits are often issued weeks after arrival, and newcomers reasonably assume the permit date starts the clock. It generally does not — the obligation attaches to the establishment of residence, which in most cantons is evidenced by your commune registration.
In practice this can shorten the window you thought you had, and it can also work in your favour: an unexpected hospital visit shortly after arrival is usually reimbursable, because a policy applied for in time is backdated to that same residence date. Keep the commune registration confirmation and any medical invoices from your first weeks. If a dispute arises later about when cover began, that document, not the permit, is the one that answers it.
Who can be exempted — and why most newcomers cannot
Exemptions exist, but they are narrow and must be requested from the cantonal authority in your place of residence or work. Broadly, they cover people who are already correctly insured under another system.
EU/EFTA/UK students in Switzerland for education who are not gainfully employed here and remain insured at home. Students with equivalent private cover may also be exempted.
Workers posted to Switzerland from an EU/EFTA/UK employer for up to 24 months.
Diplomatic and consular staff and employees of international organisations enjoying privileges under international law.
People who live in Switzerland but work or draw their pension exclusively in the EU/EFTA/UK under the coordination rules.
People arriving solely for medical treatment or convalescence.
On application, people whose foreign cover is equivalent and for whom Swiss insurance would create a genuine double burden, and certain non-EU/EFTA/UK students and trainees with their accompanying family.
Two points are regularly missed. First, an employer's international private health plan is not, by itself, an exemption — the cantonal authority decides, on request, whether the situation qualifies. Second, if you take up paid work in Switzerland, the place-of-employment principle usually pulls you back into the Swiss system even if you arrived as a student.
Common mistakes newcomers make
Waiting for the residence permit. The three months run from taking up residence, so the permit's arrival date is the wrong reference point.
Assuming an employer arranges it. Health insurance in Switzerland is an individual contract. Pension and accident cover come through the employer; health insurance does not.
Treating travel or expatriate cover as sufficient. Unless a formal exemption has been granted, it does not replace the statutory obligation.
Insuring only the working spouse. Every family member needs an individual policy, newborns included.
Leaving supplementary cover for later. Basic insurance is guaranteed; supplementary insurance is underwritten and becomes harder to obtain after a diagnosis.
Overlooking premium reductions. Cantonal support must be applied for and is frequently missed in a household's first year.
Paying twice for accident cover. Employees working eight hours or more a week can usually remove it from their health policy.
What this means for your family
For most arriving households the sensible order is simple: register with the commune, confirm quickly whether anyone might qualify for an exemption, then arrange basic insurance for every family member with a start date matching your arrival. That protects you retroactively and removes the deadline risk entirely.
Once basic cover is in place, the remaining choices — model, deductible, supplementary benefits — can be made without time pressure, with one exception: supplementary cover is best assessed while the household is healthy. Families arriving with children will find the additional steps, from paediatric cover to school and leisure accident questions, in our guide to moving to Switzerland with children.
Before you decide: a short checklist
Do you know your exact date of taking up residence, and have you kept the commune confirmation?
Have you checked whether an exemption plausibly applies, and if so contacted the cantonal authority in writing?
Have you compared premiums for your commune, not just your canton?
Have you chosen a model you will genuinely follow in an emergency?
Have you selected a deductible that matches your expected use, not just the cheapest premium?
Does every family member have their own application, with the same start date?
Have you asked whether supplementary cover is worth arranging now rather than later?
Have you checked your eligibility for a cantonal premium reduction?
Frequently asked questions
How long do I have to take out health insurance after moving to Switzerland?
Three months from taking up residence. Apply within that period and cover is backdated to your arrival date; miss it and cover starts only from enrolment, usually with a premium supplement.
Can a Swiss insurer refuse me because of a pre-existing condition?
Not for basic insurance. Every authorised insurer must accept you regardless of age or state of health, with no waiting period and no health questionnaire. Supplementary insurance may be refused.
Does my employer's international health plan count?
Only if the cantonal authority grants an exemption on that basis. Without a granted exemption, the Swiss obligation still applies.
What happens if I simply do not register?
The authority designated by your canton will enrol you automatically and choose an insurer for you, and a premium supplement may apply.
Do my children need separate policies?
Yes. Each person is insured individually, including children born in Switzerland, who must be insured within three months of birth.
Do I pay premiums for the whole month I arrived?
No. Premiums are divisible and must be calculated to the day when someone moves to Switzerland, is born, dies or moves away.
Can I change insurer later if I choose badly now?
Yes. Basic insurance can normally be changed at the end of the calendar year, subject to the statutory notice deadline. The steps are covered in our guide to switching health insurance in Switzerland.
A helpful next step
Arranging cover in your first weeks is mostly about getting the sequence and the dates right. If you would like a second pair of eyes on your situation — particularly if an exemption might apply, or if supplementary cover is worth arranging before a health event — request a free consultation. We will go through the options with you in English, German or Polish.
Official Swiss sources
Federal Office of Public Health (FOPH) — Requirement to obtain insurance for persons resident in Switzerland.
Federal Office of Public Health (FOPH) — Requirement to take out insurance: Frequently Asked Questions (PDF, 2026).
Federal Office of Public Health (FOPH) — Cantonal authorities competent for exemptions (PDF).
Federal Office of Public Health (FOPH) — Health insurance: Foreign students in Switzerland.
Federal Office of Public Health (FOPH) — Health insurance: Premiums and co-payment.
Federal Office of Public Health — Official premium calculator (priminfo).
Swiss Confederation — Health insurance premium reduction (ch.ch).
Federal Health Insurance Act (KVG) — Official text on Fedlex.
Ordinance on Health Insurance (KVV) — Official text on Fedlex.
Sources reviewed on 2 August 2026.
This article provides general information about the Swiss health insurance obligation for new residents and does not replace personalised insurance, legal or tax advice. Deadlines, exemptions and premium reductions depend on your canton, your permit status and your personal circumstances.