This annual survey collects and publishes information on the Clojure community. All results are made available to the public. Survey ends Nov 30, 2026.

Please skip any questions that don't apply (most questions are optional). Contact clojure@nubank.com.br with any questions or comments.

If not otherwise specified, "Clojure" refers to any of the Clojure dialects.

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1. What country do you live in?

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2. How many years have you been programming professionally?

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3. What programming languages have you used in the last year? (Required.)

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4. What was your PRIMARY language in the last year? (Required.)

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5. If you couldn't use Clojure or its dialects, what language would you use instead? (Required.)

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6. How would you characterize your use of Clojure today? (Required.)

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7. How long have you been using Clojure? (Required.)

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8. What best describes your primary role?

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9. Which best describes your role in decisions about programming languages or technology platforms?

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10. In which domains are you applying Clojure?

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11. The people that use the applications I build in Clojure are ...

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12. What is the size of your engineering organization?

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13. How many people at your organization use Clojure?

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14. What primary industry do you develop for?

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15. What kinds of software do you develop using Clojure?

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16. Which of these aspects of Clojure are important to you and your projects?

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17. What are your biggest challenges in using Clojure now?

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18. In the last year, where did you interact with other Clojure developers?

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19. In the last year, my involvement in the Clojure ecosystem included:

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