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How well do you know wood and forests?

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

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About what share of all wood extracted from forests worldwide is used as fuel?

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Lush forest landscape in Čestín, Czechia, showcasing towering trees and dense woodland.
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Wood by the numbers

Real figures with their sources. All Wood facts →

about 300 million acres

About how many acres of forest have been cleared in the U.S. since the mid-1600s?

Most of that clearing happened during the 19th century, out of nearly 1 billion acres of forest that once covered the mainland.

Source: Wikipedia, Forestry in the United States (2023) en.wikipedia.org

about 67%

In a 2018 EPA study, what share of U.S. wood waste ended up in landfills?

The rest was split between incineration with energy recovery (16%) and recycling (17%), meaning most discarded wood was not reused.

Source: Wikipedia, Lumber, citing EPA data (2018) en.wikipedia.org

hydroelectric power

In the U.S., wood fuel is the second-leading source of renewable energy, behind which other source?

Wood-based energy, including wood pellets and biomass, still outranks solar and wind as a renewable energy source in the U.S.

Source: Wikipedia, Wood fuel, citing U.S. Department of Energy (2024) en.wikipedia.org

What people think about wood, timber and forests

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What's your favorite thing made of wood?

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Real wood furniture or engineered wood/laminate?

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Would you rather heat a home with a wood stove or a furnace?

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Questions

How does WoodSurvey.com work?

Each question asks you to guess a real number about wood, timber and forests. 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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