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r/criticalthinking↗

Critical Thinking

10k subscribers4 posts / mo in Sep 20262 authors / mosince 2009

r/criticalthinking has 10k members (+11% over the last 12 months). It gets about 4 posts a month from 2 people. Top topics: Philosophy Books.

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When to post on r/criticalthinking

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Size and growth

How r/criticalthinking has grown

r/criticalthinking

Subscriber growth

Subscribers over time

+11%in 12 months · +1.9% in 3 months · +0.8% in 1 month
Sep 202610k
Growing10k subscribers
Data since Mar 2018Live · through Sep 2026
r/criticalthinking

Monthly activity

Posts, comments and authors per month

−75%vs Sep 2025 · −50% last 3 months vs the 3 before
Sep 20264
QuieterPeaked at 21 in Jan 2026
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/criticalthinking

Top topics

Share of the subreddit's posts

  1. Philosophy Books3.2%

The full report

Everything else about r/criticalthinking

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