No national government has implemented a complete zoo ban. Instead, approaches range from strict regulation to self-regulatory frameworks, reflecting complex ethical, conservation, and economic considerations.
Strictest: Austria, Germany, Switzerland, Netherlands, Sweden
Comprehensive welfare standards, mandatory conservation/education/research components, regular inspections, species-specific enclosure requirements, breeding program coordination (EAZA/WAZA).
Strong: UK, Belgium, Denmark, Canada (provincial), Australia (state)
Licensing systems with welfare standards, inspection regimes, conservation mandates. UK Zoo Licensing Act 1981 is model legislation.
Moderate: US, Japan, South Korea
US: Federal (Animal Welfare Act — minimal standards), AZA accreditation (voluntary but influential), state/local variation. No federal zoo license.
Developing: Many Global South nations
Legislation exists but enforcement capacity varies. WAZA (World Association of Zoos and Aquariums) provides international standards.
For stricter regulation/phase-out: Inherent welfare compromise in captivity; abnormal behaviors (stereotypies); conservation claims overstated; education achievable via media; sanctuary model preferable.
For regulated continuation: Ark function for extinct-in-wild species (Arabian oryx, California condor, black-footed ferret); research impossible in situ; funding for field conservation; urban nature connection; economic benefits.
The global trajectory: not bans, but progressively higher bars for justification, welfare, and conservation contribution.