Family Health Insurance in Germany: GKV or PKV? (2026 Math)

How does Familienversicherung work in GKV?

Familienversicherung, the GKV's free co-insurance for family members under § 10 SGB V, lets a non-earning spouse and children ride along on the working parent's GKV contract at no extra cost. The 2026 income limit for the dependant is €565/month (€603 for a minijob). Children stay covered until 18, or 25 if still in education; there is no upper age limit for non-earning spouses.

The savings compound fast. For one earner supporting a non-earning spouse and two kids, GKV charges only what the earner would pay anyway. At the BBG cap in 2026 that is a maximum contribution (GKV-Höchstbeitrag) of €1,226/month (with-kids rate), of which an employee pays half (~€613) with the employer covering the other half. The other three family members add €0/month. The household's total contribution is identical to a single mandatory-GKV insured with no dependents.

PKV has no equivalent. Every member needs an individual contract, with individual underwriting at entry. There is no "family rate", and the discount for adding family members is small. A PKV family-of-four typically lands at €1,200–€1,500/month gross before employer subsidy. The headline figure looks dramatic until the subsidy redistribution and tax math come in.

What does PKV cost per family member?

A PKV contract for a child in 2026 typically lands at €100–€200/month for newborns and primary-school ages and €150–€250/month for older children and teens. The biggest single driver of the spread is whether the tariff includes a deductible (Selbstbeteiligung). Each parent adds their own contract on top; typical 2026 market ranges for healthy applicants are €300–€400/month at age 25–30 and €450–€650/month at age 35–40 for a comprehensive tier.

Newborns and very young children land in roughly the same range as primary-school children; the staircase you might expect "by age" really does not kick in until adolescence. Other levers (dental tier, vision, foreign coverage, Chefarzt access in hospital) shift things further. A real number for your child requires an individual calculation with the chosen tariff, deductible, and the insurer's underwriting check. Treat the figures here as orientation, nothing more.

The child's premium grows over time like any PKV contract, and the 10 % statutory Altersrückstellung surcharge under § 149 VAG starts at age 21, so children's premiums are flatter year-to-year than adults' until then. There is a substantial advantage if you can place a newborn in PKV by Kindernachversicherung under § 198 VVG: no health questions, no risk surcharges, no exclusions. The timing rule is covered further below.

Three worked profiles for 2026

The three setups below capture most of what mixed-system expat parents actually face. All figures are 2026 rates and total system cost (employer + employee combined for employees; self-employed pay the full amount themselves). PKV figures are mid-range market estimates for healthy applicants in a comprehensive tariff and need an individual calculation to be reliable for any specific family.

Family of four, single earner above the BBG. One earner above the BBG, partner at home with two healthy young children. GKV charges the with-kids cap; spouse and children ride along free under Familienversicherung. PKV needs a separate contract per family member, and the employer subsidy redistributes across the four contracts.

Net of the subsidy, GKV is typically ahead by roughly €80–€100/month for this profile. The actual difference depends on family size, ages, health profile, tariff choice, and how the employer subsidy redistributes across contracts.

Family of five, single earner above the BBG. Same earner profile, now with three children. The contrast with the family-of-four case is the structural point: GKV's bill stays flat as more children are added; PKV's bill grows linearly.

This is the flat-versus-linear pattern in one chart. From two children to three, GKV's cost does not move; PKV adds another full child premium. For one-earner households with three or more kids, the structural argument for Familienversicherung gets stronger with each additional dependent.

Dual-earner couple, both above the JAEG, no kids. A different shape entirely. With both partners individually eligible to choose, no Familienversicherung is on the table. The family question reduces to whether the couple plans to have children later, and how each spouse's tariff fits the long horizon.

For dual-earner couples planning to stay above the JAEG, PKV typically has the larger headroom in absolute euros. The tradeoff is the long-term commitment per spouse, which becomes structurally relevant if children arrive later. The pattern across the three: GKV's bill is flat in the number of dependents. PKV's bill is linear. A family of three pays the same in GKV as a family of five, while each new family member in PKV adds their own contract.

For the deeper PKV-cost mechanics, see How GKV Calculates Your Premium; for the broader profile-by-profile decision logic, see the PKV vs GKV decision guide.

What happens during Mutterschutz, Elterngeld, and Krankentagegeld?

The Mutterschutz-and-leave sequence has the largest GKV-vs-PKV gap of any life event. GKV pays up to €13/day Mutterschaftsgeld for the entire Schutzfrist (6+8 weeks, or 12 weeks for premature, multiple, or disabled births; § 3 MuSchG). PKV pays a one-off lump sum of €210 total (§ 19 Abs. 2 MuSchG). The roughly €1,100 gap over a 14-week Schutzfrist is filled by Krankentagegeld under § 192 Abs. 5 VVG, but only if the Krankentagegeld contract has been in force at least 8 months before the Schutzfrist starts.

Mutterschutz mechanics. For mandatory-GKV insured women, GKV's daily Mutterschaftsgeld (§ 24i SGB V) plus an employer top-up via the U2-Umlage covers your previous net for the entire Schutzfrist; contributions are suspended (§ 224 SGB V). For PKV-insured women, the €210 lump from the Bundesamt für Soziale Sicherung is the entire payout for the entire Schutzfrist (not €210/month, not €210/week). The PKV premium continues unbroken (no employer subsidy, because no salary is flowing). The employer's top-up is calculated against a fictional €13/day GKV rate, not against the real €210 lump. Krankentagegeld during the Schutzfrist pays out without a doctor's sick note; the maternity-protection period itself is the trigger.

Elternzeit and Elterngeld (BEEG): up to 3 years of unpaid leave per child, with Elterngeld paying 65–67 % of your average net pay before birth. The Elterngeld minimum is €300/month and the maximum is €1,800/month. The income threshold to qualify, for births from 01.04.2025 onward, is €175,000 per year of zu versteuerndes Einkommen (zvE). Above the limit, no Elterngeld at all. Married couples and registered Lebenspartner who file jointly are measured against the combined zvE; unmarried couples and single parents are measured individually, each against their own zvE.

PKV premiums continue during Elternzeit. There is no employer subsidy because no salary is flowing. Some family-friendly PKV tariffs offer up to 6 months of premium suspension (Beitragsbefreiung) during Elterngeld receipt; worth checking your specific tariff.

Kindernachversicherung: how the 2-month window works

A newborn enters the parent's PKV contract without underwriting, without risk surcharges, without exclusions, and without waiting periods if three conditions all hold (§ 198 VVG, § 2 Abs. 2 MB/KK):

1. The insured parent has been with the same insurer for at least 3 months at the date of birth
2. The application is made within 2 months of birth (rückwirkend gültig from the day of birth)
3. The newborn's coverage is no broader than the parent's (you cannot include the child in a Premium tariff if the parent is in Komfort)

The 2-month window is an Ausschlussfrist, strictly enforced by the courts. Miss it and you are back to standard PKV underwriting, which means health questions, possible risk surcharges, and possible exclusions for any congenital condition.

For pregnant PKV-insured women, the practical sequence is:

• Within first weeks of pregnancy: confirm your tariff includes pregnancy care (Schwangerschaftsbetreuung); consider a tariff switch if it does not
• During pregnancy: confirm the tariff has the congenital birth-defect clause (angeborene Geburtsschäden) in its AVB. Some insurers, including Debeka, Württembergische, and AXA Active-Me, do not include it explicitly; get a written confirmation if your tariff is one of those.
• Within 2 months after birth: submit the Kindernachversicherung application

If the parent is GKV-versichert, the newborn goes onto Familienversicherung at no cost, automatically once the birth is registered.

What if one parent is GKV and the other is PKV?

Three parental configurations determine where the kids end up. Both parents in GKV: children go on Familienversicherung at no cost (the standard case). Both parents in PKV: children must also be in PKV with their own contracts (Familienversicherung needs a GKV-member parent to ride along on, and a newborn cannot independently qualify for voluntary GKV membership). Mixed-system households (one PKV, one GKV) are the case the rest of this section covers, and the answer depends on marital status before it depends on income.

A common setup: one partner is salaried under the JAEG (so in mandatory GKV); the other is self-employed (so chose PKV). Whether the children can ride along free on the GKV parent's Familienversicherung depends first on marital status, and only then on income.

If the parents are not married (and not in an eingetragene Lebenspartnerschaft), the income-comparison rule under § 10 Abs. 3 SGB V does not apply at all. The Bundesverfassungsgericht confirmed this in 2011 (1 BvR 429/11): the resulting unequal treatment of married versus unmarried parents is settled law. In practice, the children go on the GKV parent's Familienversicherung at no cost regardless of who earns more, or, if the family prefers the broader benefit set, they can be placed in PKV. The choice is open.

If the parents are married (or in an eingetragene Lebenspartnerschaft), § 10 Abs. 3 SGB V excludes the children from Familienversicherung when both of these conditions hold:

1. The PKV parent's regular income exceeds 1/12 of the JAEG (the threshold for compulsory GKV, distinct from the BBG used elsewhere in this guide), and
2. The PKV parent's regular income is higher than the GKV parent's.

If both apply, the children must be insured under the higher-earning PKV parent and cannot use Familienversicherung. The Krankenkasse measures "regular income" using current monthly gross for employees and the most recent Einkommensteuerbescheid for self-employed parents, meaning that for the self-employed half of a typical mixed-system couple, the comparison rests on the previous year's tax assessment.

The implication: for a married mixed-system family, the earnings split between the two parents drives whether the kids cost €0 or €100–€180/month each. For unmarried mixed-system parents, the question does not arise.

Practical timeline: pre-pregnancy to year one

Four phases shape the family-insurance calendar: pre-pregnancy (confirm both parents' status, activate Krankentagegeld 8+ months ahead of any planned conception), during pregnancy (confirm tariff scope, file Mutterschaftsgeld 6 weeks before due date), at birth and after (Kindernachversicherung within 2 months under § 198 VVG, Elterngeld application within 3 months), and year one (employer subsidy distribution, Beitragsbefreiung activation).

Pre-pregnancy:

• Confirm both parents' insurance status: who is in mandatory GKV, who is voluntarily GKV-insured, who is in PKV
• For dual-earner families above JAEG: decide whose contract the kids will live on if one switches systems
• For PKV-bound parents: review tariff for pregnancy-care scope and the congenital-birth-defect clause
• Activate or upgrade Krankentagegeld 8+ months before any planned conception (most Krankentagegeld contracts have a waiting period before they pay during Mutterschutz)

During pregnancy:

• For PKV-insured women: confirm Krankentagegeld will pay during Mutterschutz under § 192 Abs. 5 VVG; some older tariffs require a separate rider
• File the Mutterschaftsgeld application with the BAS (PKV) or Krankenkasse (GKV) 6 weeks before the expected birth date
• For families considering a tariff switch: do it before the pregnancy is on file; switching with a Schwangerschaftsdiagnose on record will trigger underwriting

At birth and after:

• Within 2 months: Kindernachversicherung application (PKV) or Familienversicherung registration (GKV)
• File for Elterngeld within 3 months of birth (Elterngeldstelle of the federal state)
• Update the Krankenkasse on the family insurance change

Year one:

• Confirm the employer subsidy (Arbeitgeberzuschuss) is correctly distributed if multiple family members are in PKV
• Review the tariff: premium suspension (Beitragsbefreiung) in Elternzeit should be active if applicable
• For self-employed parents on voluntary GKV (freiwillige GKV): review the minimum assessment basis (Mindestbemessung) calculation if income dropped during leave

If you are choosing PKV for a family, seven tariff features matter most: premium suspension during Elterngeld, Kinderkrankengeld analogous to § 45 SGB V (10 days per child per parent per year; 25 days total per parent), expanded Schwangerschaftsbetreuung including NIPT, antenatal and postnatal course offerings, Mutter-/Vater-Kind-Kur, Krankentagegeld meeting § 192 Abs. 5 VVG, and explicit congenital-birth-defect coverage in the AVB. These features add roughly €20–€60/month per adult contract versus a stripped-down comprehensive tariff. For a couple planning kids, that is worth it. For a couple done with family planning, it is not.

How do I actually decide?

The family-coverage decision is rarely about minimising this month's bill. It is about which mechanism survives the next decade: adding a child, losing a job, returning to work part-time, the second pregnancy.

For most expat families with one earner and children, GKV's Familienversicherung structure makes it the durable answer. The €1,226/month maximum contribution (Höchstbeitrag) (with-kids rate, of which an employee pays half) holds steady whether you have one child or four, and the family-coverage rule is enshrined in law. PKV's family math improves at the dual-earner-above-JAEG end of the spectrum and at the civil-servant end (where Beihilfe handles 80 % of children's costs), and it makes the most sense when health profiles allow comfortable underwriting.

These pieces interlock differently depending on marital status, income split, whether you plan more children, and how long you stay in Germany. If you would like the actual math for your family's situation, including how the Mutterschutz timing, Kindernachversicherung deadline, and parent-split rule apply to you, book a consultation.