The biggest surprise for me was the https://hexbear.net count, an instance I hardly interact with.

Community Count Community Subscriber Count
beehaw.org 6 133450
hexbear.net 33 663204
lemdro.id 1 17052
lemmy.blahaj.zone 1 15907
lemmy.dbzer0.com 1 53006
lemmy.ml 14 356460
lemmy.one 1 16257
lemmy.world 39 851950
lemmynsfw.com 2 33586
sh.itjust.works 1 16006
sopuli.xyz 1 14093

The data this is based on comes from https://lemmyverse.net where you can just download a full json of the data they have (I excluded all communities marked as “suspicious”)

EDIT: The data if you sort by active users last month:

Community Count Community Active Month Count
awful.systems 1 2616
feddit.org 2 7363
feddit.uk 2 5289
hexbear.net 1 2952
lemdro.id 1 2898
lemm.ee 3 8898
lemmy.blahaj.zone 1 11422
lemmy.ca 3 14910
lemmy.dbzer0.com 3 13752
lemmy.ml 10 54949
lemmy.world 57 338384
lemmy.wtf 1 3602
lemmy.zip 3 12020
mander.xyz 1 11469
sh.itjust.works 5 37365
slrpnk.net 3 10897
sopuli.xyz 2 10070
ttrpg.network 1 4107

Community Count:

Community Users:

  • pseudo@jlai.lu
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    4 months ago

    They can be oriented to some type of content: For example, the many feddit.something are targetting people by countries or langages (.it, .uk, etc.). slrpnk.net is solarpunk oriented, mander.xyz science oriented. Litterature.cafe is books, reading and writing oriented.
    And they can offer different moderation policies: People on lemmynsfw.com probably want to see NSFW content. lemmy.world has a policy against it. lemmy.dbzer0.com allow for open discussion about piracy that many instances forbid and so on.

    It you don’t see the difference in instances, it is probably that you are about fine on your local instance. But if one day, you hear about a community you can’t access, maybe that is because it is blocked by lemmy.word and you could access it from another instance

    • Scrollone@feddit.it
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      4 months ago

      If the dbzer0 instance allows piracy talk but I’m signed up to an instance that doesn’t allow it, can I talk in their community or do I risk being banned from mine?

      In other words, are my comments stored on their instance or on mine?

      • Natanael@slrpnk.net
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        4 months ago

        Lemmy stores your posts and replies on both your host server and on the server of the community.

        One interesting behavior to note here that is different from reddit is that while comments on reddit belong to the profile of the person commenting and is then imported to view in the subreddit (this is why you can edit comments after being banned, and why there visible in your profile even if removed from a subreddit), on lemmy the target community is instead authoritative and your host server will by default respect a deletion by community mods on different servers by also removing that comment from your profile.

      • pseudo@jlai.lu
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        4 months ago

        You can talk on their instance. If the moderator of your instance dis not wanted you to interact with this other instance they would have block it.

        are my comments stored on their instance or on mine?

        That I’m not sure. But I think there is a copy of the content you accessed on your instance. Maybe someone administrating an instance could answer you better than I did.

      • pseudo@jlai.lu
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        4 months ago

        If you find yourself well were you are, then you are in the right place (^_^)

      • madjo@feddit.nl
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        4 months ago

        Which feels a bit as a sleepy instance, but maybe I’m not in the right communities.

    • Eiri@lemmy.world
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      4 months ago

      So which instance an account is from matters regarding which communities you can join? Huh.

      • Schadrach@lemmy.sdf.org
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        4 months ago

        Only insofar as some instances block communication from some other instances. Not mine though, that’s actually one of the reasons I picked it. That and it being by an org that’s older than the web and runs a public unix server and a bunch of retrocomputing type services as well as fediverse stuff. They started out as a dialup anime BBS.

      • pseudo@jlai.lu
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        4 months ago

        Yes but not so much. The fediverse is a big place and everyone can open a community in the same topic in a instance that is not block. Look how many zero waste there is !zerowaste@lemmy.ml !zerowaste@slrpnk.net !zerowaste@lemm.ee !zerowaste@lemmy.world !zero_dechet@jlai.lu. And they may be more on instances I don’t know.

        For what I have witness instances blocked each other over divergence on political activism. If you don’t plan to go discuss with people who really want to convince you to become communiste, you should be fine.

        Go on [your.instance]/instances for the list of block instances.