2025 Python Type System and Tooling Survey is out!

Typing
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The 2025 Python Type System and Tooling Survey is out!

Take the survey here: Python Type System and Tooling Survey 2025

I also want to say a huge thank-you to the folks who commented on our earlier post with feedback on the draft survey!

Stay tuned for another post with the survey results in a few weeks!

This survey was developed with support from the Pyrefly team at Meta, the PyCharm team at JetBrains, and the typing community on discourse.python.org

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Could you write about who is creating / managing the survey, whether this is an official survey from the PSF / cpython / Typing Council, etc?

After clicking through to the survey, it has a much clearer intro that would be appropriate to edit into your post.

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It is mentioned pretty clearly in the first section on the survey itself, but yes I can update the post too

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Emacs (with a language server protocol)

Nit: Perhaps you meant to say “with a language server”? There’s only one Language Server Protocol, but multiple language servers and language clients.

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While filling this out, I realized that it’s really hard to answer the question about what typing needs the most in terms of new features. I didn’t realize this while looking over the proposed questions, but filling it in, I found I was choosing pretty much at random from a bunch of orthogonal missing capabilities.

With the benefit of hindsight, I wish I had been asked to rank several well known ideas, and separately for a key feature not listed. Of course, I say that imagining that the list would contain exactly the features I consider important, so take this meta-feedback with a grain of salt.

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Thanks all who filled out the survey! We have now closed the survey for responses and are working on reviewing the data, so keep a look out for another post on that in the near future. In the meantime we’d like to share some preliminary results, overall looking pretty similar to last year:

Forms response chart. Question title: How many years of experience do you have using Python (typed or untyped)?. Number of responses: 1,238 responses.
Forms response chart. Question title: How many years of experience do you have using Python (typed or untyped)?. Number of responses: 1,238 responses.2196Ă—924 123 KB

Forms response chart. Question title: How often do you use type hints (static types) in your Python projects?. Number of responses: 1,237 responses.
Forms response chart. Question title: How often do you use type hints (static types) in your Python projects?. Number of responses: 1,237 responses.2196Ă—924 118 KB

Forms response chart. Question title: How many years of experience do you have using type hints in Python?. Number of responses: 1,237 responses.
Forms response chart. Question title: How many years of experience do you have using type hints in Python?. Number of responses: 1,237 responses.2196Ă—924 125 KB

Forms response chart. Question title: Do any of your projects have type checking enabled in CI?. Number of responses: 1,226 responses.
Forms response chart. Question title: Do any of your projects have type checking enabled in CI?. Number of responses: 1,226 responses.2196Ă—924 102 KB

Forms response chart. Question title: How useful do you find the following benefits of typed Python code? Rate each benefit from 1-5 (1: not useful, 5: most useful).. Number of responses: .
Forms response chart. Question title: How useful do you find the following benefits of typed Python code? Rate each benefit from 1-5 (1: not useful, 5: most useful).. Number of responses: .2475Ă—1146 146 KB

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