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How well do you know coding?

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

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What share of professional developers used SQL in 2024, the second most-used technology?

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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.

Code by the numbers

Real figures with their sources. All Code facts →

43.4%

What share of professional developers used TypeScript in 2024?

TypeScript, a typed version of JavaScript, cracked the top five most-used technologies in 2024.

Source: Stack Overflow 2024 Developer Survey (2024) survey.stackoverflow.co

66.4%

Among people learning to code in 2024, what share used Python, making it their top choice?

While pros lean JavaScript, learners overwhelmingly pick Python first.

Source: Stack Overflow 2024 Developer Survey (2024) survey.stackoverflow.co

Python (46.9% vs 43.4%)

In the 2024 survey, which was used by more professional developers: Python or TypeScript?

Python edged out TypeScript among professional developers in 2024, 46.9% to 43.4%.

Source: Stack Overflow 2024 Developer Survey (2024) survey.stackoverflow.co

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One Code stat a week

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

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How does CodeSurvey.com work?

Each question asks you to guess a real number about computer programming and coding. 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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