r/todayilearned↗
Today I Learned (TIL)
You learn something new every day; what did you learn today? Submit interesting and specific facts about something that you just found out here.
41.7M subscribers3,330 posts / mo in Sep 2026 (incl. <1% by known bots)1,798 authors / mosince 2008
r/todayilearned has 41.7M members (+1.5% over the last 12 months). It gets about 3,330 posts a month from 1,798 people. Top topics: Hitler and Jews, Roman Emperors and Founding Fathers Controversies.
When to post on r/todayilearned
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How r/todayilearned has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/todayilearned
Top topics
Share of the subreddit's posts
- Hitler and Jews0.2%
- Roman Emperors<0.1%
- Founding Fathers Controversies<0.1%
- Nazi Spy and Conspiracy theories<0.1%
- Slavery History<0.1%
Brands people mention
Most-mentioned brands and sites, last 12 months
- xkcd
- IMDb
- NPR
- Wikimedia
- ScienceDirect
Everything else about r/todayilearned
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