Skip to content

r/WhatIfFiction↗

r/WhatIfFiction

Hypothetical questions with less hypothetical answers

13k subscribers126 posts / mo in Sep 202659 authors / mosince 2019

r/WhatIfFiction has 13k members (+25% over the last 12 months). It gets about 126 posts a month from 59 people. Top topics: Captain America Theory, Superman and Kryptonians and Peter Parker/Spider-Man.

Free report

When to post on r/WhatIfFiction

You've used today's free reports

Visitors without an account can open 3 subreddit reports a day. The best time to post on r/WhatIfFiction, removal risk and the rest of the report are one step away.

Size and growth

How r/WhatIfFiction has grown

r/WhatIfFiction

Subscriber growth

Subscribers over time

+25%in 12 months · +4.5% in 3 months
Oct 202613k
Growing13k subscribers
Data since Apr 2020Live · through Oct 2026
r/WhatIfFiction

Monthly activity

Posts, comments and authors per month

+35%vs Sep 2025 · +32% last 3 months vs the 3 before
Sep 2026126
BusierPeaked at 333 in Oct 2021
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/WhatIfFiction

Top topics

Share of the subreddit's posts

  1. Captain America Theory0.5%
  2. Superman and Kryptonians0.4%
  3. Peter Parker/Spider-Man0.4%
  4. Batman Bruce Wayne0.4%
  5. Horus Heresy0.4%

The full report

Everything else about r/WhatIfFiction

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