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r/datascience

Data Science

A space for data science professionals to engage in discussions and debates on the subject of data science.

Members
2,771,783
Created
2011
Posts a day
1
Avg comments, top posts this week
12

r/datascience is a Reddit community with 2,771,783 members, created in 2011. It averaged about 1 new posts a day over the last month. This week's top posts had a median score of 25 and an average of 12 comments each. Data, entering and transitioning are the words that show up most in recent titles. This month's top posts went up most often around 16:00 UTC, and most often on a Friday.

Only approved members can post in r/datascience.

Data checked October 18, 2026 · Open on Reddit

Top posts this week

  1. 1204 Types of Case Studies in 2026 Data Science Interviews26 comments · October 11, 2026
  2. 108The problem is noise, not N. Why increasing the sample size isn't all that8 comments · October 13, 2026
  3. 40We ran some benchmarks comparing Jev against ML/sklearn8 comments · October 12, 2026
  4. 9Recommendation Systems resources6 comments · October 18, 2026
  5. 5Weekly Entering & Transitioning - Thread 12 Oct, 2026 - 19 Oct, 202613 comments · October 12, 2026
  6. 2Automating PBI reports8 comments · October 17, 2026

Top posts this month

  1. 700True reason to be a Data Scientist28 comments · September 21, 2026
  2. 279Polars 2.0 released with the streaming engine, out-of-core processing and first-class SQL support10 comments · October 9, 2026
  3. 1174 Types of Case Studies in 2026 Data Science Interviews26 comments · October 11, 2026
  4. 112Those who have gotten a new job in the last 6 months - 1 year, how’s it going?60 comments · September 18, 2026
  5. 107What are your favorite data and AI podcasts?44 comments · September 19, 2026
  6. 103The problem is noise, not N. Why increasing the sample size isn't all that8 comments · October 13, 2026
  7. 71Anyone specialize in geospatial data?35 comments · September 30, 2026
  8. 70Causal Inference Real World Case Studies19 comments · October 10, 2026
  9. 66Is "end-to-end ownership" actually good for Data Scientists, or is it just unpaid glue work with a nicer name?52 comments · September 25, 2026
  10. 67Model Selection Technique for Causal Inference40 comments · October 6, 2026

What people ask

  1. 112Those who have gotten a new job in the last 6 months - 1 year, how’s it going?60 comments · September 18, 2026
  2. 21How does everyone study efficiently in the field55 comments · October 2, 2026
  3. 66Is "end-to-end ownership" actually good for Data Scientists, or is it just unpaid glue work with a nicer name?52 comments · September 25, 2026
  4. 107What are your favorite data and AI podcasts?44 comments · September 19, 2026
  5. 68Anyone specialize in geospatial data?35 comments · September 30, 2026
  6. 22Any advice for good Stats Interview Prep?33 comments · September 23, 2026

Common words in titles

  • data 9
  • entering 4
  • transitioning 4
  • oct 3
  • studies 3
  • case 2
  • causal 2
  • error 2
  • inference 2
  • role 2
  • sample 2
  • science 2

Best time to post

  • 16:00 UTC · 4 top posts
  • 17:00 UTC · 4 top posts
  • 15:00 UTC · 3 top posts
  • Friday · 6 top posts
  • Monday · 4 top posts

These are counted from the timestamps of this month's 25 top posts. They show when popular posts went up and don't guarantee reach.

Rules

  1. Be Respectful and Supportive
  2. Stay On Topic
  3. Use the Weekly Thread
  4. No Video Links
  5. No Listicles
  6. No Surveys
  7. Limit Self-Promotion
  8. /r/datascience is not stack overflow
  9. /r/datascience is not a homework helper
  10. /r/datascience is not a crowd-sourced Google
  11. Memes are only allowed on Mondays

How to post in r/datascience without breaking its rules

Similar subreddits

Member growth

We started recording r/datascience member counts on October 18, 2026. Growth will show here once we have a few weeks of history.

Get this data from the API

Every number on this page comes from ChatterAPI's Reddit endpoints and is refreshed about once a week. You can pull the same data for any subreddit from your own code or AI agent.

curl "https://chatterapi.com/v1/reddit/subreddits/datascience" \
  -H "Authorization: Bearer $CHATTERAPI_KEY"
{
  "data": {
    "url": "https://www.reddit.com/r/datascience/",
    "name": "datascience",
    "nsfw": false,
    "title": "Data Science",
    "createdAt": "2011-08-06T11:43:42.000Z",
    "description": "A space for data science professionals to engage in discussions and debates on the subject of data science.",
    "subscribers": 2771783
  },
  "credits": {
    "charged": 2
  }
}

Recorded response, October 18, 2026, trimmed.

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Questions about r/datascience

How many members does r/datascience have?
r/datascience had 2,771,783 members when we last checked on October 18, 2026.
How active is r/datascience?
Based on its newest posts, it got about 1 new posts a day over the last month. This week's top posts averaged 12 comments each.
When is the best time to post in r/datascience?
This month's top posts in r/datascience went up most often around 16:00 UTC, and most often on a Friday. That's when popular posts were published, so use it as a starting point, not a rule.
Can I get r/datascience data through an API?
Yes. Call GET /v1/reddit/subreddits/datascience for members, rules and description, and GET /v1/reddit/subreddits/datascience/posts for its posts. Each call costs 2 credits, and new accounts get 100 free credits.

Pull r/datascience into your code or agent.

Sign up and get 100 free credits. No card required.