r/datascience

Community Overview

About r/datascience

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

The community at a glance

r/datascience is a Subreddit for Data Scientists and ML Engineers with roughly 2.8M members. It uses a forum format for communication. It is the 3rd largest community in the Data Science topic page and the 4th largest community in the Machine Learning topic page.

Roughly 76K members have joined in the past year. Popular discussion topics include Struggling, Data, and Data Science. Common discussion themes are Advice Requests and Self-Promotion. Product recommendations often mention data science course and laptop.

On Reddit
2.8M Members

Subreddit Analysis

via GummySearch
Yearly: +76K members
Growth: +2.8% / year

Member growth over time

All time (yearly)

  • 2013: 1K members
  • 2014: 4K members
  • 2015: 7K members
  • 2016: 12K members
  • 2017: 23K members
  • 2018: 46K members
  • 2019: 83K members
  • 2020: 179K members
  • 2023: 862K members
  • 2024: 1.3M members
  • 2025: 230K members
  • 2026: 62K members

Past year (monthly)

  • Dec: 8K members
  • Jan: 8K members
  • Feb: 7K members
  • Mar: 7K members
  • Apr: 7K members
  • May: 7K members
  • Jun: 7K members
  • Jul: 6K members
  • Aug: 5K members
  • Sep: 4K members
  • Oct: 3K members
  • Nov: 1K members

Themes

  • Advice Requests
    12 posts in the past month
    1. Hamel Husain on decision models for LLM evals, and why classic data science skills still matter
    2. Breakdown of my last 10 Python coding rounds for product/marketing DS roles: only 1 was LeetCode-style
    3. Demystify the entry-level market for me please?
    #1
    Advice Requests
    Hamel Husain on decision models for LLM evals, and why classic data science skills still matter · Breakdown of my last 10 Python coding rounds for product/marketing DS roles: only 1 was LeetCode-style · Demystify the entry-level market for me please?
    12
  • Self-Promotion
    1 post in the past month
    1. Thought I'd analyse the past 6 annual salary sharing threads. Not self promotion. Just sharing something I hope others will find useful.
    #2
    Self-Promotion
    Thought I'd analyse the past 6 annual salary sharing threads. Not self promotion. Just sharing something I hope others will find useful.
    1
  • Solution Requests
    1 post in the past month
    1. Automating PBI reports
    #3
    Solution Requests
    Automating PBI reports
    1
  • News
    1 post in the past month
    1. How data journalists caught a fake pollster at Wedgewood Polls
    #4
    News
    How data journalists caught a fake pollster at Wedgewood Polls
    1
  • Opportunities
    1 post in the past month
    1. Mass applying to one company hurts you: what I saw from referrals
    #5
    Opportunities
    Mass applying to one company hurts you: what I saw from referrals
    1

Topics

  • Struggling
    19 posts in the past month
    #1
    Struggling
    19
  • Data
    16 posts in the past month
    1. 4 Types of Case Studies in 2026 Data Science Interviews
    2. Sparse panel data, a small experiment
    3. Data Scientist Job Search in 2026
    #2
    Data
    4 Types of Case Studies in 2026 Data Science Interviews · Sparse panel data, a small experiment · Data Scientist Job Search in 2026
    16
  • Data Science
    12 posts in the past month
    1. 4 Types of Case Studies in 2026 Data Science Interviews
    2. Hamel Husain on decision models for LLM evals, and why classic data science skills still matter
    3. How does your company pair Data Science with Business on projects?
    #3
    Data Science
    4 Types of Case Studies in 2026 Data Science Interviews · Hamel Husain on decision models for LLM evals, and why classic data science skills still matter · How does your company pair Data Science with Business on projects?
    12
  • Tired
    8 posts in the past month
    #4
    Tired
    8
  • Job
    6 posts in the past month
    #5
    Job
    6

Flair

  • Discussion
    20 posts in the past month
    1. 4 Types of Case Studies in 2026 Data Science Interviews
    2. Breakdown of my last 10 Python coding rounds for product/marketing DS roles: only 1 was LeetCode-style
    3. How can I really "Git Gud"?
    #1
    Discussion
    4 Types of Case Studies in 2026 Data Science Interviews · Breakdown of my last 10 Python coding rounds for product/marketing DS roles: only 1 was LeetCode-style · How can I really "Git Gud"?
    20
  • ML
    7 posts in the past month
    1. Screwed up a model in production, feeling super anxious
    2. Hamel Husain on decision models for LLM evals, and why classic data science skills still matter
    3. We ran some benchmarks comparing Jev against ML/sklearn
    #2
    ML
    Screwed up a model in production, feeling super anxious · Hamel Husain on decision models for LLM evals, and why classic data science skills still matter · We ran some benchmarks comparing Jev against ML/sklearn
    7
  • Tools
    4 posts in the past month
    1. mizu: a new tool to speed up parallel data science workflows
    2. Polars 2.0 released with the streaming engine, out-of-core processing and first-class SQL support
    3. Automating PBI reports
    #3
    Tools
    mizu: a new tool to speed up parallel data science workflows · Polars 2.0 released with the streaming engine, out-of-core processing and first-class SQL support · Automating PBI reports
    4
  • Career | US
    3 posts in the past month
    1. Is anyone else seeing more relaxed coding rounds lately?
    2. Demystify the entry-level market for me please?
    3. Data Scientist Job Search in 2026
    #4
    Career | US
    Is anyone else seeing more relaxed coding rounds lately? · Demystify the entry-level market for me please? · Data Scientist Job Search in 2026
    3
  • Statistics
    3 posts in the past month
    1. The problem is noise, not N. Why increasing the sample size isn't all that
    2. Andrew Gelman shares how he came up with R-hat at Bell Labs in 1990
    3. Thinking more seriously about the design of exploratory studies, a manifesto
    #5
    Statistics
    The problem is noise, not N. Why increasing the sample size isn't all that · Andrew Gelman shares how he came up with R-hat at Bell Labs in 1990 · Thinking more seriously about the design of exploratory studies, a manifesto
    3

Product recommendations

  • data science course
    3 posts in the past month
    1. Best Data Science Course to become data scientist / data analyst / data engineer / ai engineer / ai developer / ?
    2. Best Data Science Course to become data scientist / data analyst / data engineer / ai engineer / ai developer / ?
    3. Best Data Science Courses?
    #1
    data science course
    Best Data Science Course to become data scientist / data analyst / data engineer / ai engineer / ai developer / ? · Best Data Science Course to become data scientist / data analyst / data engineer / ai engineer / ai developer / ? · Best Data Science Courses?
    3
  • laptop
    2 posts in the past month
    1. Laptop Recs
    2. Laptop Recs
    #2
    laptop
    Laptop Recs · Laptop Recs
    2

Frequently asked questions

Who is r/datascience for?
Best for Data Scientists and ML Engineers enthusiasts looking for a Reddit-based community with forum discussion.
Is r/datascience free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/datascience have?
Roughly 2.8M members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/datascience on?
r/datascience runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/datascience cover?
On the Hive Index, r/datascience is organized under Data Scientists, ML Engineers.
How do I join r/datascience?
You can join r/datascience by clicking this link, or pressing the "Go to community" button above.
What are the Data Science communities like?
Communities for data scientists and analysts covering machine learning, statistics, Python, and real-world data projects. Slack, Discord, and Reddit all have active communities, ranging from beginner-friendly spaces for breaking into the field to more technical groups discussing research papers and production ML systems.