#megacities
Live, measured metrics for the hashtag #megacities from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #megacities
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 · mastodon.online (Mastodon public tags API) · fetched 2026-10-30 03:22 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.online (Mastodon public search API) · fetched 2026-10-30 03:22 UTCLive pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-30 03:22 UTCEverything below is measured over the latest 35 public posts (spanning ~52183 hours).
Posting hours (UTC) — busiest: 07:00
Languages: English (26) · German (6) · Swedish (1)
Avg boosts / post: 0.9
Top of the latest posts
#megacities #cities #water #waterscarcity #drought Original open access article Ravinandrasana & Franzke, 23 Sept. 2025, Nat Commun 16, 8281 The first emergence of unprecedented global water scarcity in the Anthropocene https://doi.org/10.1
#FYI #PaulBeckwith video lecture and literature review #megacities #cities #water #waterscarcity "2025 #Tehran, #Iran, 20 million people in area, is only one month away from #zerowater (taps running dry), reservoirs 5% capacity, sixth year
Building Damage Risk In Sinking Indian Megacities -- https://doi.org/10.1038/s41893-025-01663-0 <-- shared paper -- https://doi.org/10.5194/isprs-annals-X-G-2025-613-2025 <-- shared paper -- https://www.downtoearth.org.in/urbanisation/writi
What “megacities” means
Wiktionary · WikipediaA megacity is a very large city, typically with a population of more than 10 million people. The United Nations Department of Economic and Social Affairs in its "World Urbanization Prospects" report defines megacities as urban agglomerations with over 10 million inhabitants. Reports from academics, the European Council, the Organisation for Economic Co-operation and Development delineate them as the metropolitan areas that are inhabited by more than a total population of 10 million people. The f
“Megacity” on Wikipedia (CC BY-SA) →#megacities across platforms
every network with a public tag surfaceFollow #megacities straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
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/megacities