Society · Guess the stat

How well do you know surveys and polls?

Guess the real numbers behind surveys and polling, see how everyone else guessed, and get the source.

Guess the statOne tap · see how everyone guessed

Gallup's World Poll, launched in 2005, covers how many countries?

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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.

Survey by the numbers

Real figures with their sources. All Survey facts →

about ±3%

For a poll of 1,000 people, what's the typical margin of error?

A sample of 1,000 respondents is the classic polling size because it gives a workable ±3% margin of error.

Source: Wikipedia, Opinion polling (2024) en.wikipedia.org

1824

When was the first known opinion poll conducted in the U.S.?

A straw poll tallying voter preferences for the presidential election is considered the earliest known opinion poll.

Source: Wikipedia, Opinion polling (2024) en.wikipedia.org

about 500 interviews a day

Through 2018, about how many phone interviews did Gallup conduct daily for its U.S. tracking poll?

Gallup ran daily U.S. tracking polls of about 500 interviews a day, 350 days a year, for years.

Source: Wikipedia, Gallup (company) (2018) en.wikipedia.org

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Questions

How does Surveydb.com work?

Each question asks you to guess a real number about surveys and public-opinion polling. 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.

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