r/scifi
r/scifi is a Movies & TV community on Reddit with 4,483,727 members, ranking #11 of 2,251 in Movies & TV. Welcome to r/scifi, a home for all things science fiction, the heart of speculative fiction. Join the discussion about your favorite books, authors, movies, shows, comics, and games — anything with a touch of science and imagination.
How big is r/scifi?
Created in 2008, r/scifi has had over a decade to grow and is a major community by Reddit standards. Within Movies & TV it ranks #11 of 2,251 communities we track — the top 0.5% of the category by subscriber count. That puts it about 1,293× the median Movies & TV subreddit, which has 3,468 members. It is a work-safe community with no 18+ flag on Reddit.
For scale, the largest Movies & TV community we track is r/movies with 37,529,802 members — roughly 8 times the size of r/scifi. Reddit itself launched in 2005, so a subreddit created in 2008 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/scifi on Reddit to see how often people actually post before deciding whether it is worth joining.
| Members | 4,483,727 |
|---|---|
| Category | Movies & TV |
| Rank in category | #11 of 2,251 |
| Created | 2008 |
| Category median size | 3,468 members |
| Content rating | Work-safe (SFW) |
Featured in our best-of lists
Similar Movies & TV subreddits by size
- r/NetflixBestOf 11,584,366
- r/anime_irl 5,817,495
- r/OnePiece 5,307,375
- r/marvelstudios 4,818,469
- r/manga 4,793,448
- r/StarWars 4,665,758
- r/marvelmemes 4,278,862
- r/Marvel 3,643,310
- r/horror 3,496,864
- r/Naruto 3,389,632
- r/Filmmakers 3,064,037
- r/breakingbad 3,035,150
Largest Movies & TV communities
- r/movies 37,529,802
- r/Documentaries 20,345,336
- r/television 18,088,444
- r/NetflixBestOf 11,584,366
- r/anime_irl 5,817,495
Subscriber counts come from the public Reddit API and are refreshed when this directory is rebuilt. Redditory is not affiliated with Reddit Inc.