- Subscribers
- 4,506,624
- Average Upvotes
- 197.6
- Average Comments
- 41.3
- Min. Upvotes to HOT
- 2
r/scifi
Best Time to Post on r/scifi (UTC TIME)
r/scifi peaks Saturdays 4pm-6pm UTC
scifi Subscriber Count - redditli.st
About r/scifi
r/scifi was created on January 25, 2008, making it 18 years and 9 months old and one of the earliest subreddits on Reddit. With 4,506,624 members, this is a large and well-established subreddit with significant reach and influence on Reddit.
r/scifi is steadily growing, with 21,649 new members in the last 30 days.
r/scifi Engagement Analysis
r/scifi shows typical engagement for a community of this scale, with an average of 197.6 upvotes per post across its 4,506,624 members. The community is moderately discussion-oriented, with a comment-to-upvote ratio of 0.21. To reach the Hot section of r/scifi, posts typically need at least 2 upvotes, reflecting the community's activity level.
Posts on r/scifi receive an average of 41.3 comments, indicating a community with a healthy balance between content appreciation and active discussion. Members regularly engage with posts through both upvotes and comments.
r/scifi Posting Patterns Analysis
Based on an analysis of 73 top posts from the past week, Saturday is the most active day with 29 posts reaching the top, while Monday sees the least activity with 3 posts. Weekend activity tends to outpace weekdays, suggesting a more leisure-oriented community.
The peak posting hours are around 4pm UTC (10 posts), 5pm UTC (10 posts), and 2pm UTC (5 posts). The quietest hours are 2am UTC, 3am UTC, and 4am UTC, with only 2-1 posts each reaching the top during these times.
Weekly breakdown: Monday (3), Tuesday (11), Wednesday (4), Thursday (10), Friday (7), Saturday (29), Sunday (9) posts reaching the top.
r/scifi Growth Analysis
r/scifi currently has 4,506,624 subscribers. Over the past 30 days, the community has grown by 21,649 members (0.48%), averaging 223 new subscribers per day. This growth rate places r/scifi in the top 21% of all tracked subreddits.
Over the past 90 days, r/scifi has gained 21,649 subscribers (0.48%). Since tracking began 738 days ago, the community has added 199,545 total subscribers. The recent growth rate is consistent with the community's longer-term trajectory.
r/scifi Milestones
- Fastest growth period: +20,609 subscribers Oct 2026
r/scifi Growth Trend
r/scifi is steadily growing, with 21,649 new members in the last 30 days.
Frequently Asked Questions
How many subscribers does r/scifi have?
r/scifi has 4,506,624 subscribers as of November 2026.
What is the best time to post on r/scifi?
The best time to post on r/scifi is Saturdays 4pm-6pm UTC, based on analysis of top-performing posts from the past week.
Is r/scifi growing?
r/scifi is steadily growing, with 21,649 new members in the last 30 days.
When was r/scifi created?
r/scifi was created on January 25, 2008, making it 18 years old.
How many upvotes do you need to reach Hot on r/scifi?
Posts on r/scifi typically need at least 2 upvotes to reach the Hot section.
r/scifi Key Statistics Summary
r/scifi is a Reddit community with 4,506,624 subscribers. The community describes itself as: "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..." The best time to post on r/scifi is Saturdays 4pm-6pm UTC. Posts receive an average of 197.6 upvotes and 41.3 comments. The minimum upvotes needed to reach the Hot section is approximately 2. The subreddit is adding approximately 223 new members each day. Founded 18 years ago, r/scifi is tracked and analyzed by RedditList as part of its comprehensive database of over 106,374 subreddits.
Compare r/scifi
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Last updated: 2026-10-30 08:57:24