Animals · Guess the stat

How well do you know zoos?

Guess the real numbers behind zoos and aquariums, see how everyone else guessed, and get the source.

Guess the statOne tap · see how everyone guessed

What total economic impact do AZA-accredited zoos and aquariums generate?

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zoos and aquariums
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Today's round

  • 4 stats to guess
  • 1 opinion poll
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Guess, see the crowd, get the real number. One ranked attempt per day.

Zoo by the numbers

Real figures with their sources. All Zoo facts →

1752

In what year was Vienna's Schönbrunn Zoo, the world's oldest zoo, founded?

It was founded on July 31, 1752, and still welcomes about 2 million visitors a year.

Source: Tiergarten Schönbrunn (Vienna Zoo) (2025) zoovienna.at

What people think about zoos and aquariums

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Which zoo exhibit do you head to first?

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What makes a zoo visit great?

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Zoo or aquarium?

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One Zoo stat a week

A surprising, sourced zoos and aquariums number and that week's poll, in your inbox every Monday. Free, and you can stop any time.

Questions

How does ZooSurvey.com work?

Each question asks you to guess a real number about zoos and aquariums. After you answer you see how everyone else guessed, then the real figure and where it comes from.

How is the daily round scored?

Four stats and one opinion poll. A correct guess earns 100 points plus up to 50 for speed, with a combo bonus for answers in a row. The range next to the right answer earns 40. Opinion polls earn 25 for having your say, and nailing every stat adds 150.

Where do the numbers come from?

Every stat links to its source, such as government statistics agencies, research organizations and industry groups. Figures are checked against the source before they go live.

Is it free?

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