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r/math↗

This subreddit is for discussion of mathematics. All posts and comments should be directly related to mathematics, including topics related to the practice, profession and community of mathematics.

4M subscribers1,065 posts / mo in Sep 2026 (incl. ~1% by known bots)873 authors / mosince 2008

r/math has 4M members (+1.9% over the last 12 months). It gets about 1,065 posts a month from 873 people. Top topics: HateMathLearn, Math Equations and Mathematics Classroom Experience.

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Size and growth

How r/math has grown

r/math

Subscriber growth

Subscribers over time

+1.9%in 12 months · +0.4% in 3 months · +0.1% in 1 month
Oct 20264M
Growing4M subscribers
Data since Mar 2018Live · through Oct 2026
r/math

Monthly activity

Posts, comments and authors per month

−48%vs Sep 2025 · −13% last 3 months vs the 3 before
Sep 20261.1k
QuieterPeaked at 3k in May 2024
Sep 2026: incl. ~1% by known botsData through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/math

Top topics

Share of the subreddit's posts

  1. HateMathLearn2.3%
  2. Math Equations2.0%
  3. Mathematics Classroom Experience1.0%
  4. YouTube Math Channels0.5%
  5. Calculus Study Tips0.4%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. arXiv.org e-Print archive
  2. Stack Exchange
  3. Springer
  4. Quanta Magazine
  5. Stanford University

The full report

Everything else about r/math

Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research