Most Popular Zoos by Visitor Count

San Diego Zoo — California, USA

• The San Diego Zoo receives 4 million annual visitors.

Berlin Zoological Garden — Berlin, Germany

•  3.57 million visitors enjoyed the zoo in 2018.

St. Louis Zoo — St. Louis, Missouri

• The zoo has 3 million annual visitors.

Tiergarten Schönbrunn — Vienna, Austria

• The zoo has more than 2 million visitors per year.

National Zoological Park — Washington, D.C., USA

• The zoo receives more than 2 million annual visitors.

Schonbrunn Zoo — Vienna, Austria

• The Schonbrunn Zoo receives 2 million annual visitors.

Bronx Zoo- New York, USA

• The zoo receives 2 million visitors per year.

Omaha's Henry Doorly Zoo & Aquarium — Omaha, Nebraska, USA

• The zoo receives 2 million visitors per year.

Singapore Zoo — Singapore

• The Singapore Zoo receives 1.7 million annual visitors.

Philadelphia Zoo — Philadelphia, Pennsylvania, USA

• The zoo has 1.2 million visitors per year.

Toronto Zoo — Ontario, Canada

• The Toronto Zoo receives 1.05 million annual visitors.

Basel Zoo — Basel, Switzerland

• The Basel Zoo receives 960,685 annual visitors.

Edinburgh Zoo –Edinburgh, Scotland

• The zoo receives 800,000 visitors per year.

National Zoological Garden -Pretoria, South Africa

• The zoo receives 600,000 visitors annually.

Wellington Zoo — Wellington, New Zealand

• The Wellington Zoo receives 249,701 annual visitors.

Welsh Mountain Zoo — North Wales

• The zoo has 200,000 annual visitors.