r/todayilearned
You learn something new every day; what did you learn today? Submit interesting and specific facts about something that you just found out here.
Members
41,581,897
41.6M
Posts per day
20.0
Comments per post
—
no sample yet
Growth · 7d
—
not enough history yet
Growth · 30d
—
not enough history yet
Promo tolerance
—
not assessed yet
Tracking since Jul 31 · growth spans are the real distance between snapshots, not rounded windows.
Member growth
Similar by content
Communities that discuss what r/todayilearned discusses.
Do you have questions about history that no reliable source can give you? Do you know of some lesser known historical facts that need to be more well known? **Then welcome to r/shittyaskhistory!**
r/AskReddit is the place to ask and answer thought-provoking questions.
The Portal for Public History. Please read the rules before participating, as we remove all comments which break the rules. Answers must be in-depth and comprehensive, or they will be removed.
See the full lists on similar subreddits.
r/todayilearned — frequently asked
How many members does r/todayilearned have?
r/todayilearned has 41,581,897 members as of our most recent crawl on Aug 11. Prowlo re-checks tracked communities on a rolling schedule, so this figure moves rather than sitting frozen at whatever it was when a scraper last ran.
Is r/todayilearned growing?
We don't have 30 days of snapshot history for r/todayilearned yet, so we're not going to invent a growth number. We've been tracking it since Jul 31; the chart fills in as history accumulates.
How active is r/todayilearned?
Around 20.0 posts per day. Posting rate matters more than subscriber count when you're deciding where to spend your time — it determines how long your comment stays visible.
Can I promote my product in r/todayilearned?
We don't have a promo-tolerance read for r/todayilearned yet. Default to the safe approach: read the sidebar rules, contribute in threads where you gain nothing, and mention your product only when it is the honest answer to someone's question.
How do I monitor r/todayilearned for mentions?
Hit Watch on this page. Prowlo starts crawling r/todayilearned into your Dataset — every new post indexed and embedded, searchable semantically, queryable by your AI agent over MCP, and able to trigger keyword alerts in Slack. Prowlo is read-only; it never posts on your behalf.