How the philosophy communities compare
Membership is concentrated: the three largest communities hold 99% of all members on this list, so most of the philosophy conversation happens in a handful of places. Size and activity don't line up perfectly: r/philosophy has the most members, but r/askphilosophy gets the most new posts (about 36 a day, against 7 in r/philosophy). Per member, the liveliest is r/PoliticalPhilosophy: 6.0 posts a day from 30.5K members — a smaller crowd, but an engaged one. The oldest is r/philosophy, founded in 2008, and every community here is more than five years old — this is a long-established corner of Reddit.
The 8 biggest philosophy subreddits
r/philosophy 18,584,720 members · ~7.0 posts/day · +1.8K since Oct 26 · since 2008/r/philosophy: the portal for public philosophy
- Ar/askphilosophy ↗ 445,906 members · ~36 posts/day · since 2011
/r/askphilosophy aims to provide serious, well-researched answers to philosophical questions.
- Pr/PhilosophyofScience ↗ 173,103 members · ~0.6 posts/day · since 2009
Philosophy of Science
- Ar/AcademicPhilosophy ↗ 53,320 members · since 2009
This reddit is intended for academic philosophers - (graduate) students, teachers, and researchers. Encouraged submissions: Open access articles of merit and substance, including from the popular press, that directly engage with …
- Pr/PoliticalPhilosophy ↗ 30,476 members · ~6.0 posts/day · since 2008
A subreddit for the discussion of political philosophies and theories from the likes of Aristotle, Machiavelli, Locke, Hume, Kant, Burke, Thoreau, Nietzsche, Rawls, and Arendt. Or for just talking, seriously, about politics, i.e.…
- Pr/PhilosophyTube ↗ 28,643 members · ~0.6 posts/day · since 2016
A subreddit to discuss Philosophy Tube, the show made by Abigail Thorn.
- Pr/PhilosophyofReligion ↗ 28,463 members · since 2011
"Philosophy of religion is the philosophical study of the meaning and nature of religion. It includes the analyses of religious concepts, beliefs, terms, arguments, and practices of religious adherents. The scope of much of the w…
- Pr/PhilosophyBookClub ↗ 25,054 members · ~2.9 posts/day · since 2012
A place to read and discuss works of philosophy.
Choosing where to post
If you have a question, start in r/askphilosophy: it is set up for exactly that, and with about 36 new posts a day there are plenty of people around to answer. Competition for attention differs a lot: r/philosophy has 18.6M members but only about 7.0 new posts a day — roughly one new post for every 2.7M members — while r/askphilosophy gets about 36 a day, one for every 12.4K. A strong, well-made post therefore has more room to be seen in r/philosophy; r/askphilosophy is better when you want quick replies.
Big subreddits give a post the widest audience, but they also bury it quickly; the mid-sized communities on this list are usually friendlier for questions and first posts. Always read the rules in the sidebar first — each community is run by its own volunteer moderators. Our guide to searching Reddit explains how to dig through any of these communities, and the subreddit info tool gives you the stats of one we don't list.
Frequently asked questions
Which philosophy subreddit has the most members?
r/philosophy is the largest, with 18,584,720 members, followed by r/askphilosophy (445.9K) and r/PhilosophyofScience (173.1K).
Where are the most new philosophy posts?
By new posts per day, r/askphilosophy leads with about 36, ahead of r/philosophy (7). Counts are averages over the last seven days.
Which philosophy subreddit is best for questions?
r/askphilosophy is the one built around questions and advice, with about 36 new posts a day. Check its rules and search it first — common questions have usually been answered.
How many philosophy communities are on this list?
We list 8 active, safe-for-work philosophy communities with at least 25,000 members each, 19.4M members in total (people can be in several). Reddit has many smaller ones too; our guide on searching Reddit shows how to find them.
What is the oldest philosophy subreddit?
r/philosophy, created on Jan 25, 2008.
Are these philosophy subreddits safe for work?
Yes. Every community on this page is public and not marked 18+ by Reddit, and we filter out communities whose name or description points to adult content.
Data: Reddit's public subreddit search and the Arctic Shift archive (Nov 6, 2026), growth from SubMouse's weekly snapshots. Member counts of communities outside our Top 1000 come from the archive and can lag a little. Not affiliated with Reddit.