Reddit stats

r/phd subreddit stats

Posts, comments, unique posters, link rates, and activity patterns from the last month, updated daily.

Updated . Reporting period: Oct 5, 2026–Nov 5, 2026 (UTC).

From October 5, 2026 to November 5, 2026, 10,885 users on r/phd made 1,552 posts and 31,333 comments, or about 49 posts/day and 983 comments/day. The subreddit averaged 20.2 comments per post; 12.0% of posts and 1.0% of comments contained links. Its Health Score was 33.1/100, meaning unique posters divided by total posts and comments. The top 1% of users produced 5.7% of posts and 15.5% of comments. Activity is measured in UTC: the most active hour was 15:00 (1.4x avg), the most active day was Wednesday (1.2x avg), and normalized weekend volume was 0.82x weekday volume.

Compare activity across top subreddits

Posts/month
1,552
Posts/day
49
Comments/month
31,333
Comments/day
983
Posts with links
12.0%
Comments with links
1.0%
Comments per post
20.2
Unique posters
10,885
Health Score
33.1/100
Unique posters divided by total posts and comments.
Top 1% user posts
5.7%
Share of posts made by the most active 1% of users.
Top 1% user comments
15.5%
Share of comments made by the most active 1% of users.
Most active hour
15:00 (1.4x avg)
Based on average activity per hour in UTC.
Most active day
Wednesday (1.2x avg)
Based on average activity per weekday in UTC.
Weekend vs weekday
0.82x
Weekend daily volume divided by weekday daily volume, normalized by day in UTC.

Daily activity in r/phd

Daily totals combine posts and comments, grouped by UTC date. The lighter final bar shows a partial day through Nov 5 at 21:20 UTC.

Activity by day and hour

Each square is one hour, shown in UTC.

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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/phd

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.

Related subreddits ranked by estimated audience similarity to r/phd
SubredditAudience similarityShared commenters (est.)
r/askacademia5.4%240
r/labrats3.5%185
r/gradadmissions3.0%116
r/phdadmissions2.9%106
r/postdoc2.7%93
r/professors2.4%144
r/gradschool2.3%83
r/leavingacademia1.8%61
r/academia1.7%62
r/phdstress1.5%49

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 25 through Oct 31, 2026 (UTC). Results are refreshed after one month.

Last month on Syften

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