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How well do you know Japan?

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

Guess the statOne tap · see how everyone guessed

What share of Japan's population is 65 or older (2025)?

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A captivating night photograph of the iconic Senso-ji Temple in Tokyo, Japan, illuminated beautifully.
Photo: Maheshwaran Shanmugam / Pexels
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Today's round

  • 4 stats to guess
  • 1 opinion poll
  • 0 played today

Guess, see the crowd, get the real number. One ranked attempt per day.

Japan by the numbers

Real figures with their sources. All Japan facts →

about 122.95 million

About how many people lived in Japan as of January 1, 2026?

More than 29% of Japan's residents are 65 or older.

Source: Wikipedia, Japan en.wikipedia.org

67%

About what share of Japan's land is covered by forests?

Only about 14% of the land is agricultural, so cities crowd onto limited flat ground.

Source: Wikipedia, Japan en.wikipedia.org

111

How many active volcanoes does Japan have?

The most famous, Mount Fuji (3,776 m), last erupted in 1707–1708.

Source: Wikipedia, Japan en.wikipedia.org

What people think about Japan

Vote to see the live results. All polls →

What would you most want to do in Japan?

1 vote so far · vote to see results

Favorite Japanese food?

1 vote so far · vote to see results

Which season is best for a Japan trip?

1 vote so far · vote to see results

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Questions

How does JapanSurvey.com work?

Each question asks you to guess a real number about Japan. 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?

Yes. Playing, streaks, badges and leaderboards are free, and your votes stay anonymous.