Reddit stats
r/space subreddit stats
Posts, comments, unique posters, link rates, and activity patterns from the last month, updated daily.
Updated . Reporting period: Sep 28, 2026–Oct 28, 2026 (UTC).
From September 28, 2026 to October 28, 2026, 6,916 users on r/space made 822 posts and 15,781 comments, or about 27 posts/day and 517 comments/day. The subreddit averaged 19.2 comments per post; 65.5% of posts and 2.1% of comments contained links. Its Health Score was 41.7/100, meaning unique posters divided by total posts and comments. The top 1% of users produced 15.7% of posts and 19.3% of comments. Activity is measured in UTC: the most active hour was 16:00 (1.6x avg), the most active day was Friday (1.3x avg), and normalized weekend volume was 0.69x weekday volume.
Daily activity in r/space
Daily totals combine posts and comments, grouped by UTC date. The lighter final bar shows a partial day through Oct 28 at 12:29 UTC.
Activity by day and hour
Each square is one hour, shown in UTC.
The heatmap shows when people post and comment, not when a post is most likely to get clicks or upvotes. Our Reddit posting-time analysis explains how to use activity patterns when planning a post.
Subreddits similar to r/space
Discover related Reddit communities by the people who comment in both. These recommendations compare seven days of public comment activity, using a random sample of up to 50,000 commenters for large communities.
| Subreddit | Audience similarity | Shared commenters (est.) |
|---|---|---|
| r/spacex | 3.4% | 85 |
| r/spacexlounge | 3.2% | 75 |
| r/spacexmasterrace | 3.2% | 82 |
| r/artemisprogram | 2.3% | 51 |
| r/futurology | 1.2% | 119 |
| r/teslamotors | 1.2% | 59 |
| r/upliftingnews | 1.1% | 94 |
| r/dataisbeautiful | 1.0% | 101 |
| r/nottheonion | 1.0% | 158 |
| r/explainlikeimfive | 1.0% | 91 |
Audience similarity is the estimated share of commenters active in both subreddits out of those active in either one. Higher scores mean more audience overlap; they don't measure community quality or subscriber counts.
Calculated . Based on comments from Oct 20 through Oct 26, 2026 (UTC). Results are refreshed after one month.
Last month on Syften
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