r/spacex
r/spacex is a Science & Education community on Reddit with 3,692,159 members, ranking #18 of 2,165 in Science & Education. Welcome to r/SpaceX, the premier SpaceX discussion community and the largest fan-run board on the American aerospace company SpaceX. We recommend using r/SpaceX with Old Reddit. This board is not an official outlet for SpaceX information."
How big is r/spacex?
Created in 2011, r/spacex has had over a decade to grow and is a major community by Reddit standards. Within Science & Education it ranks #18 of 2,165 communities we track — the top 0.8% of the category by subscriber count. That puts it about 1,829× the median Science & Education subreddit, which has 2,019 members. It is a work-safe community with no 18+ flag on Reddit.
For scale, the largest Science & Education community we track is r/science with 34,470,477 members — roughly 9 times the size of r/spacex. Reddit itself launched in 2005, so a subreddit created in 2011 sits in the middle 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/spacex on Reddit to see how often people actually post before deciding whether it is worth joining.
| Members | 3,692,159 |
|---|---|
| Category | Science & Education |
| Rank in category | #18 of 2,165 |
| Created | 2011 |
| Category median size | 2,019 members |
| Content rating | Work-safe (SFW) |
Similar Science & Education subreddits by size
- r/learnprogramming 4,388,584
- r/spaceporn 4,291,653
- r/compsci 3,991,546
- r/math 3,958,467
- r/sciencememes 3,882,465
- r/chemistry 3,872,043
- r/languagelearning 3,382,707
- r/HistoryPorn 3,358,417
- r/GetStudying 3,295,866
- r/Physics 3,234,893
- r/Astronomy 3,122,993
- r/MachineLearning 3,060,422
Largest Science & Education communities
- r/science 34,470,477
- r/space 27,931,472
- r/askscience 26,302,683
- r/OldSchoolCool 19,592,842
- r/history 18,727,683
Subscriber counts come from the public Reddit API and are refreshed when this directory is rebuilt. Redditory is not affiliated with Reddit Inc.