r/whatif↗
What If
Ponder the potential! A sub where asking "what if?" is everything.
53k subscribers188 posts / mo in Sep 2026153 authors / mosince 2009
r/whatif has 53k members (+26% over the last 12 months). It gets about 188 posts a month from 153 people. Top topics: Alternate Americas, Respawn Mechanics and Alternative Americas.
When to post on r/whatif
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How r/whatif has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/whatif
Top topics
Share of the subreddit's posts
- Alternate Americas0.5%
- Respawn Mechanics0.3%
- Alternative Americas0.3%
- Alternate Histories of America0.3%
- States and Regions0.3%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Wolfram
- xkcd
- NPR
- ScienceDirect
- IMDb
Everything else about r/whatif
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research