Number of subreddits on Reddit by month, year and size, 2005 to 2026

Monthly counts of Reddit communities (subreddits) with a post or comment, with a post, and with 10+ and 100+ posts by people, June 2005 to September 2026; new subreddits per year; subreddits by number of members in October 2026. 7,844,766 subreddits with at least one post. User profile pages excluded. Source: KissMyPost analysis of public Reddit posts and comments. This dataset accompanies the KissMyPost study How many subreddits are there?. The method, charts and the full write-up are on that page. Files: subreddits-active-by-month-2005-2026.csv: Subreddits active by month, June 2005 to September 2026. Communities with a post or comment, with a post, with 10+ and 100+ posts by people, and user profile pages with a post, by month. new-subreddits-by-year-2005-2026.csv: New subreddits by year, 2005 to 2026. Communities with a post each year, new communities (first post that year), and how many of those had a post in the last 12 months. subreddits-by-members-2026-10.csv: Subreddits by number of members, October 2026. Count of subreddits in each member range, with how complete the count is for the large ranges. reddit-is-dead-mentions-by-month-2008-2026.csv: "Reddit is dead" posts and comments by month, January 2008 to September 2026. Posts and comments saying Reddit is dead or dying, and the rate per 10 million posts and comments, by month. Known bots excluded. Method: Count of distinct subreddits with public posts and comments by month (UTC); user profile pages excluded; posts by known bot accounts excluded from the 10+ and 100+ thresholds; member counts are Reddit's subscriber counts recorded in the month. Measured: Subreddits with at least one post or comment in the month; Subreddits with 10 or more posts by people in the month; Subreddits with 100 or more posts by people in the month; New subreddits per year; Subreddits by number of members. All files contain aggregates only, no individual posts or user names.