Facts · Guess the stat

How well do you know global surveys?

Guess the real numbers behind the world's biggest international surveys, see how everyone else guessed, and get the source.

Guess the statOne tap · see how everyone guessed

In smaller countries, the Gallup World Poll typically interviews at least how many people per country?

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over 100,000

About how many researchers, journalists and policymakers have downloaded the World Values Survey database?

The open dataset has become a widely used resource well beyond the original research team.

Source: Wikipedia, World Values Survey (2024) en.wikipedia.org

8 waves

How many waves of the World Values Survey have been conducted or planned since it began in 1981?

Each wave takes several years to complete across dozens of participating countries.

Source: Wikipedia, World Values Survey (2024) en.wikipedia.org

1973

The European Union's long-running Eurobarometer survey series began in what year?

It started with just six member countries and has expanded alongside the growth of the EU itself.

Source: Wikipedia, Eurobarometer (2023) en.wikipedia.org

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Do you think people around the world are more alike or more different in their core values?

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Which country's public opinion would you be most curious to learn about?

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Do you think a survey of 1,000 people can really represent an entire country?

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How does InterSurveys.com work?

Each question asks you to guess a real number about international surveys and global public opinion. 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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