Zoo Tier List
The definitive ranking.
Sarah and I have visited 22 zoos and 5 aquariums across 9 countries. This is how we rank them. Aquariums are marked aq
Last updated 14th December 2025.
S
Vacant.
A
🇧🇪 Pairi Daiza
🇺🇸 Bronx
🇳🇱 Rotterdam
🇲🇽 Guadalajara
🇧🇪 Antwerp
🏴 Chester
B
🇪🇸 Valencia
🏴 Whipsnade
🇺🇸 Essex County
🇺🇸 Philadelphia
🇪🇸 Barcelona
🇪🇸 Seville aq
C
🇧🇪 Mechelen
🇺🇸 DC Smithsonian
🇩🇪 Nuremberg
🏴 Edinburgh
🏴 London
🇺🇸 Baltimore
🏴 Northumbria
🏴 Highland
🏴 Trentham Monkey Forest
🏴 Camperdown Wildlife
D
🇨🇾 Pafos
🇪🇸 Valencia aq
🇺🇸 Baltimore National aq
🇲🇽 Guadalajara aq
🏴 St Andrews aq