Dutch Health Insurance from the Age of 18

Disclaimer: The information on this page serves as a general guide to Dutch health insurance obligations for young adults. It does not constitute personal financial or legal advice. Regulations, premiums, and allowances can change annually.

In the Netherlands, healthcare rules change significantly when you reach adulthood. Until your 18th birthday, you are insured for free as a dependent on your parents’ or guardians’ Dutch health insurance policy. However, from the first day of the month following your 18th birthday, you become legally responsible for paying your own health insurance premium. This guide explains your obligations, the costs involved, and how these rules apply specifically to international students.

The One-Month Deadline and CAK Fines

When you turn 18, the Dutch government gives you exactly one month to arrange your health insurance. You have the right to choose your own insurance provider and select a policy that fits your budget and healthcare needs.

Warning: If you are legally required to have Dutch basic insurance and fail to take it out within this one-month window, you risk severe financial consequences. The CAK (the Dutch regulatory body) tracks uninsured residents and can issue retroactive fines (often exceeding €400) and force you to pay back all missed monthly premiums.

International Students: Do You Actually Need It?

The rules for international students turning 18 are complex. Your obligation to enter the Dutch system depends entirely on your employment status, not just your age.

Study-Only Students

• If you are an international student and you only study (no paid job, no paid internship), you are generally not allowed to take out a Dutch basic policy (basisverzekering), even after turning 18.
• You should continue using your European Health Insurance Card (EHIC) or your private international student insurance.

Working Students

• If you take on a part-time job, you usually fall under the health insurance rules for working students and must arrange Dutch basic insurance from your first working day. Paid internships need an SVB/Wlz check because payment, country group and employee-insurance status can change your obligation.
• In this case, regardless of whether you just turned 18 or are older, you are legally required to take out Dutch basic insurance immediately upon starting work.

Your Parents’ Insurance vs. Your Own Policy

If you are a local student or a resident already covered under your parents’ Dutch policy, you have a choice when you turn 18. You can simply stay on their policy, and the insurer will begin charging the adult premium. However, this is often not the most cost-effective option. Your parents might have expensive supplementary modules (like extensive dental or physical therapy) that you do not need. Taking out your own student-focused policy is usually cheaper.

The Annual Switching Period

Normally, you can only switch health insurers once a year, between mid-November and December 31st. However, turning 18 is a legal exception. You are allowed to switch to a new insurer at any time of the year, provided you do so within one month of your 18th birthday. After you make this initial choice, you must adhere to the standard annual switching period going forward.

Costs, Deductibles, and Allowances

Understanding the financial components of Dutch insurance will help you manage your student budget.

The Monthly Premium and Eigen Risico

You will pay a fixed monthly premium for your basic insurance (typically around €140 to €155 in 2026). In addition to the premium, you are subject to the mandatory annual deductible (eigen risico). For 2026, the government has set this at €385. This means you must pay the first €385 of most specialized medical care yourself before the insurance reimburses you. General Practitioner (GP) visits are exempt from the deductible.

You can choose to voluntarily increase your deductible by up to €500 (totaling €885). This lowers your monthly premium, but you should only do this if you have enough savings to pay €885 out of pocket in a medical emergency.

Healthcare Allowance (Zorgtoeslag)

To help young adults and students afford their premiums, the Dutch Tax Administration (Belastingdienst) offers a healthcare allowance (zorgtoeslag). For 2026, eligible singles with a low income can receive up to approximately €129 per month. Importantly, your student finance (DUO) does not count as income when calculating this allowance.

Common Student Scenarios

How do these rules apply in practice?

• The Local Resident: Tim turns 18 in March. He is currently on his mother’s expensive policy. He uses his one-month window to switch to a cheaper student policy for €140/month. He applies for zorgtoeslag and receives €129/month, making his net cost only €11/month.
• The Working International: Sofia is 19, from Italy, and just got a job at a supermarket. Even though she is over 18, her obligation starts the day she begins working. She must take out Dutch insurance immediately.
• The Study-Only International: Ali is 18 and from non-EU. He does not work. He keeps his private international insurance to satisfy his visa requirements and cannot apply for Dutch basic insurance.

Step-by-Step Plan: What to Do When You Turn 18

1. Check your status: Determine if you actually need Dutch insurance (are you working, or are you a permanent resident?).
2. Compare options: Don’t automatically stay on your parents’ expensive plan. Compare basic policies and look at voluntary deductibles.
3. Apply within a month: Sign up for your new policy before the one-month deadline expires to avoid CAK fines.
4. Apply for allowance: Use your DigiD to apply for zorgtoeslag via the Belastingdienst website.

Leaving the Netherlands

If you graduate or leave the Netherlands, your premium obligations do not automatically stop. You must officially deregister from your local municipality and actively cancel your health insurance policy. Failing to do so will result in accumulating debt and fines.

If your 18th birthday is approaching, or if you recently started working, take a quiet moment to compare Dutch health insurance to find a policy that fits your student budget.