Falken Richter — Rechtsermittlung.de

May 2026 · 10 min read

5 Percent

The Wechselmodell in Germany in one number. Sweden is at 28%. Belgium at 25%. Spain at 40%. Germany — 5%. Sixty studies say shared residence produces better outcomes for children. Germany remains at the bottom of Western Europe.

The Number

Of German children whose parents have separated, approximately 5% live in a Wechselmodell (shared residence / alternating residence) — defined as spending 40–60% of overnights with each parent per month.

The source is the AID:A II Survey (Aufwachsen in Deutschland: Alltagswelten), conducted by the Deutsches Jugendinstitut (DJI) in Munich between May 2014 and April 2015, covering approximately 13,000 children. The Federal Ministry for Family Affairs (BMFSFJ) cited this figure in its Väterreport 2021.

Five percent. In one of the wealthiest, most educated, most legally sophisticated countries in Europe, nineteen out of twenty children of separated parents live primarily with one parent — overwhelmingly the mother.

This is not a cultural preference. It is a structural outcome produced by a legal and institutional framework that makes shared residence the exception rather than the norm.

Where Germany Stands in Europe

The most comprehensive cross-national comparison comes from the HBSC survey (Health Behaviour in School-Aged Children), analysed by Bjarnason and Arnarsson across 36 Western countries, covering children aged 11–15.

Sweden’s number is instructive. In the 6–12 age group, 34% of Swedish children with separated parents live in shared residence. For Sweden, shared residence is not an experiment. It is a mainstream arrangement — the single most common post-separation living arrangement after primary maternal residence.

Germany’s 5% is not just low. It places Germany in the same bracket as the United States — a country with no federal family law, no universal healthcare for separated families, and no equivalent of the Jugendamt.

What Legislation Does

The difference between 5% and 28% is not cultural. It is legislative.

Belgium enacted a law in 2006 establishing shared residence as the legal starting point after separation. If parents cannot agree, the court begins from a presumption of equal time. The rate rose from approximately 11% (HBSC 2005–06) to roughly 25% in subsequent years.

Sweden has had joint legal custody as the default since 1998. While Swedish law does not prescribe a specific residential arrangement, the legislative and cultural framework treats shared residence as a normal, expected outcome. The rate climbed from 4% in 1992 to 28% by 2016–17.

Spain introduced shared custody as the preferred arrangement through autonomous community reforms (notably Catalonia in 2010, Aragon in 2010, Valencia in 2011) and subsequent national-level judicial practice. By 2022, approximately 40% of Spanish divorces resulted in shared custody arrangements.

Germany has taken no equivalent legislative step. The Wechselmodell is not the legal starting point. It is not the presumption. It is not even explicitly regulated in the Bürgerliches Gesetzbuch (Civil Code). It exists as a judicial possibility, not a legislative framework.

The BGH Ruling: A Door Half-Opened

On 1 February 2017, the Bundesgerichtshof (Federal Court of Justice) issued a landmark ruling in case XII ZB 601/15.

The BGH held that a family court can order a paritätisches Wechselmodell (equal shared residence) against the will of one parent, through a contact arrangement (Umgangsregelung) under §1684 BGB. The sole criterion is the child’s best interest (Kindeswohl).

This was a significant shift. Previously, German courts generally held that shared residence required both parents’ agreement — which effectively gave either parent (in practice, the resident parent) a veto.

But the BGH ruling was a permission, not a mandate. It said courts may order shared residence. It did not say courts should consider it as the starting point. It did not create a presumption. It did not change the default.

The result, predictably, has been minimal change. Subsequent case law has further qualified the ruling. The Oberlandesgericht Frankfurt (6 July 2021, 3 UF 144/20) held that an established custody arrangement should not be changed to shared residence against the children’s wishes — reinforcing the Kontinuitätsprinzip that protects whatever arrangement was established first.

A door was opened. Almost nobody walked through it.

The Failed Reform

Federal Justice Minister Marco Buschmann (FDP) announced a comprehensive Kindschaftsrecht (child law) reform during the Ampel coalition government (2021–2025). The reform discussed strengthening the Wechselmodell and making it easier to implement.

The reform was never enacted. The Ampel coalition collapsed in November 2024. The legislative process died with it. The Federal Ministry of Justice’s web pages describing the reform now return 404 errors.

The Wissenschaftlicher Beirat für Familienfragen (Scientific Advisory Board on Family Issues at the BMFSFJ) had published “Gemeinsam getrennt erziehen” (Parenting Together While Apart) in 2021, recommending that co-parenting by both parents before and after separation should be the goal of family policy.

The expert advice was given. The political will was absent. The 1998 legislative framework still governs millions of families.

What the Council of Europe Said

On 2 October 2015, the Parliamentary Assembly of the Council of Europe adopted Resolution 2079, unanimously. Section 5.5 called on member states to:

“Introduce into their laws the principle of shared residence following a separation, limiting any exceptions to cases of child abuse or neglect, or domestic violence, with the amount of time for which the child lives with each parent being adjusted according to the child’s needs and interests.”

Belgium responded by strengthening its already-existing shared residence framework. Spain reformed. Sweden continued expanding.

Germany has not introduced the principle of shared residence into its laws. Nearly eleven years after Resolution 2079, the legislative default remains sole residence with visitation.

What Sixty Studies Say

The scientific evidence on shared residence is not ambiguous. It is one of the most consistent findings in family research.

Linda Nielsen (2018), in a meta-review of 60 quantitative studies published in the Journal of Divorce & Remarriage, found:

• 34 studies found better outcomes on all measures for children in shared physical custody.
• 14 studies found better or equal outcomes.
• 6 studies found equal outcomes.
• 6 studies produced mixed results.
• Results held after adjusting for socioeconomic status and parental conflict.

Bergström et al. (2013), in a Swedish national study of over 50,000 children aged 12 and 15, found that children in shared residence had better outcomes across physical health, psychological well-being, self-perception, parental relations, peer relations, and school satisfaction compared to children in sole residence.

Bergström et al. (2015), published in the Journal of Epidemiology and Community Health, found that both boys and girls in shared custody fared better on psychosomatic measures than those in sole custody.

Baude, Pearson & Drapeau (2016), in a meta-analysis published in the Journal of Divorce & Remarriage, confirmed that children in shared physical custody have better or equal adjustment compared to children in sole custody.

Fransson et al. (2018), in Child Indicators Research, documented that children in shared residence in Sweden had comparable living conditions to children in intact families — and significantly better conditions than children in sole residence.

Sixty studies. One direction. Germany at 5%.

The Structural Mechanism

Why is Germany at 5% when the evidence, the Council of Europe, and Germany’s own scientific advisory board all point the other direction?

The answer is structural, not ideological. Three mechanisms keep the rate low:

1. No legal presumption. Without a starting-point presumption of shared residence, the burden falls on the parent requesting it — overwhelmingly the father — to prove it serves the child’s interest. This is difficult, expensive, and slow. Most fathers cannot afford to fight for years through the court system.

2. The Kontinuitätsprinzip. German courts apply a continuity principle: whatever living arrangement is in place when the court first examines the case is presumed to serve the child’s stability. Since the mother is almost always the initial primary carer (often because the father has moved out of the family home), the status quo favours sole maternal residence. The longer the process takes, the stronger the continuity argument becomes.

3. The Jugendamt’s role. The Jugendamt submits a recommendation that the European Parliament has described as “practically binding.” If the Jugendamt recommends sole residence — and institutional culture, training, and inertia all favour the traditional model — the court overwhelmingly follows.

These three mechanisms interact. A father who requests shared residence faces a legal system with no presumption in his favour, a continuity principle that rewards delay, and an administrative body whose recommendation will likely determine the outcome before the judge speaks.

Under these conditions, 5% is not surprising. It is the predictable product of a system designed — not by intention, perhaps, but by structure — to produce exactly this result.

What 5% Costs

The cost of 5% is measured in children.

Research consistently shows that 23% of German children lose contact with their father after parental separation. This figure, from the German Family Panel (pairfam), represents hundreds of thousands of children who grow up without a meaningful relationship with one of their parents.

The link between sole residence and paternal contact loss is not coincidental. When a child lives exclusively with one parent, the other parent’s involvement depends on the goodwill of the resident parent, the enforcement capacity of the courts, and the father’s ability to maintain a relationship through fortnightly weekend visits.

Shared residence does not guarantee contact. But a system that produces shared residence in only 5% of cases has structurally ensured that contact loss is the likely outcome for a significant minority of children.

Every European country that has moved toward shared residence has done so on the explicit basis that children benefit from meaningful relationships with both parents. Germany’s 5% is a statement — made not in words but in institutional outcomes — that one parent is sufficient.

Sixty studies disagree.

The Question for Germany

Sweden was at 4% in 1992. It is at 28% today. The difference is thirty years of legislative commitment to the principle that children belong with both parents.

Belgium was at 11% before its 2006 reform. It moved to approximately 25% within a decade.

Spain moved to 40% within years of introducing shared custody as the preferred arrangement.

Germany remains at 5%. Not because the evidence is unclear. Not because the Council of Europe has not spoken. Not because its own scientific advisory board has not recommended change. But because the legislative framework has not been reformed, the institutional culture has not been challenged, and the political cost of reform has been judged too high.

Five percent is not a number. It is a policy choice — made every year that Germany does not act.

Falken Richter is an investigative journalist covering institutional transparency in European family law. This article is part of a series on data-driven analysis of European custody systems.