#dunbarsnumber
Live, measured metrics for the hashtag #dunbarsnumber from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #dunbarsnumber
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-27 14:40 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-07-27 14:40 UTCNo related tags with measured usage found for #dunbarsnumber.
Live pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 14:40 UTCEverything below is measured over the latest 18 public posts (spanning ~56348 hours).
Posting hours (UTC) — busiest: 01:00
Languages: English (13) · German (1) · Hebrew (1)
Avg boosts / post: 0.7
Top of the latest posts
@ottaross I often see two people I'm following for completely different reasons interact with each other. I've come to the conclusion that the entire world has only a few hundred people in it, and everyone knows everyone else. Never thought
Dunbar’s Number: Why the Theory That Humans Can Only Maintain 150 Friendships Has Withstood 30 Years of Scrutiny - Neuroscience News "Thirty years ago, Robin Dunbar theorized humans can maintain a friendship group of 150 people, with five i
A convo with a friend reminded me I had a draft essay referencing #DunbarsNumber: https://www.superversive.co/essays/know-thy-applied-psychology
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/dunbarsnumber