How is child custody decided?

How the answer differs across 10 jurisdictions

The Short Answer

In Germany, custody (parental care) is presumed to be joint after divorce unless the family court decides otherwise based on the child’s best interests.

Joint by default
Custody presumption
14 years old
Child's consent required
Best interest
Deciding standard
Family court
Authority for decisions
The Short Answer

In Canada, 'best interests of the child' means the court must focus solely on what meets the child’s physical, emotional, and developmental needs — not the parents’ wishes — when making custody (parenting) decisions.

Only factor
Court's sole consideration
Child's needs
Central focus
Parental abilit
To meet those needs
No parental rig
Over child's welfare
AustraliaFull article
The Short Answer

The court decides child custody (now called 'parenting arrangements') based solely on the best interests of the child, as set out in the Family Law Act 1975.

Best interests
Primary test
Section 60CC
Key provision
2 factors
Primary considerations
30+ factors
Additional considerations
The Short Answer

In Ireland, child custody is decided based on the 'best interests of the child', as required by law — not parental rights. Courts consider all relevant circumstances, including the child’s wishes if they’re mature enough to express them.

Best interests
Legal standard
s. 3
Relevant section
1964
Act year
No age limit
Child's voice
SingaporeFull article
The Short Answer

In Singapore, custody of children on divorce is decided by the court based on the child’s welfare as the paramount consideration — not automatically in favour of either parent.

Welfare first
Legal principle
No bias
Parental gender
Under 21
Child age limit
Custody types
Joint/sole
The Short Answer

Child custody (now called 'child arrangements') in the UK is decided based on the child’s welfare as the court’s paramount concern, following the welfare checklist in the Children Act 1989.

Paramount conce
Court's main duty
Welfare checkli
Legal framework
No automatic ri
To mother or father
Child's wishes
Considered by age/maturity
US-CaliforniaFull article
The Short Answer

California courts decide child custody based on the child’s best interest, considering health, safety, welfare, and the child’s relationship with each parent.

Best interest
Legal standard
No preference
Mother vs. father
12+ years
Child's input considered
6 months
Home state requirement
US-New YorkFull article
The Short Answer

New York courts decide child custody based on the 'best interests of the child,' considering factors like parental fitness, stability, child’s wishes (if mature enough), and history of care.

Best interests
Legal standard
No age cutoff
Child's preference
No presumption
Fathers vs. mothers
12+ months
Stability factor
The Short Answer

In Japan, child custody after divorce is decided based on the child’s best interests, with courts prioritizing continuity of care, the child’s wishes (if mature enough), and parental cooperation. Joint custody is not legally recognized; only one parent receives sole legal and physical custody.

sole custody
Legal standard
child's wishes
Considered if mature
Art. 766
Civil Code section
best interests
Primary standard
South KoreaFull article
The Short Answer

In South Korea, child custody is determined by the court based on the child’s best interests; parents may agree on custody or file a petition with the Family Court.

Article 837
Civil Act basis
Family Court
Jurisdiction
Best interests
Legal standard
Under 15
Child's age factor

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Not legal advice. This article is general information based on publicly available sources, written for educational purposes. Laws change and individual situations vary. Consult a licensed attorney in your jurisdiction before acting on anything you read here. Last reviewed: June 2026.