r/whatisit

Updated 2026-10-24

r/whatisit is a Curiosities & Oddities community on Reddit with 2,501,827 members, ranking #31 of 470 in Curiosities & Oddities. Do you know what it is? No, we don't either. Maybe someone does?

2,501,827 membersCuriosities & Oddities#31 in category
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How big is r/whatisit?

Created in 2009, r/whatisit has had over a decade to grow and is a major community by Reddit standards. Within Curiosities & Oddities it ranks #31 of 470 communities we track — the top 6.6% of the category by subscriber count. That puts it about 478× the median Curiosities & Oddities subreddit, which has 5,237 members. It is a work-safe community with no 18+ flag on Reddit.

For scale, the largest Curiosities & Oddities community we track is r/nottheonion with 26,048,722 members — roughly 10 times the size of r/whatisit. Reddit itself launched in 2005, so a subreddit created in 2009 sits in the early wave of community building on the platform. Subscriber counts indicate reach, not activity — a large community can be quiet, and a smaller one busy. Open r/whatisit on Reddit to see how often people actually post before deciding whether it is worth joining.

Members2,501,827
CategoryCuriosities & Oddities
Rank in category#31 of 470
Created2009
Category median size5,237 members
Content ratingWork-safe (SFW)

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Subscriber counts come from the public Reddit API and are refreshed when this directory is rebuilt. Redditory is not affiliated with Reddit Inc.

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