Reddit authors by age and gender, by subreddit, 2016 to 2026

Self-reported age and gender of Reddit authors (people who stated them in a public post or comment), 2016-02 to 2026-09: 17,714,461 authors with both known. Includes the share of women and median age for the 735 largest English-language subreddits, the most over-represented subreddits for each age group by gender, and yearly age and gender of active authors. Source: KissMyPost analysis of public Reddit posts and comments. This dataset accompanies the KissMyPost study How old are Redditors, and which subreddits does each age stand out in?. The method, charts and the full write-up are on that page. Files: reddit-gender-ratio-by-subreddit.csv: Gender and median age, 735 largest subreddits. Share of women and men among authors with a known gender, and median age at the time of writing, for the top 1% of English-language, non-NSFW subreddits, 2016 to 2026. reddit-age-by-subreddit-women-men.csv: Most over-represented subreddits by age group. Top 5 subreddits for each five-year age group from 13 to 75, for women, men and everyone, with shares and ratios. reddit-authors-age-gender-by-year-2016-2026.csv: Age and gender of active authors by year, 2016 to 2026. Authors with a known gender or age each year, share of women, median age, and shares under 18 and 40 and over. 2018 is flagged. reddit-authors-age-2026.csv: Authors by age group, 2026. Authors active from January to September 2026 with a known age, by age group, with the share of women. Method: Self-statements of age and gender in public posts and comments; birth year is the median of a person's age statements; age is taken at the time of writing; known bots excluded. Measured: Share of women among authors with a known gender, by subreddit; Median author age at the time of writing, by subreddit; Over-representation of each age group in a subreddit, women and men; Median age, share under 18 and share 40 and over among active authors, by year. All files contain aggregates only, no individual posts or user names.