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r/nuclearweapons↗

Nuclear Weapons

A safe place for the dangerous discussion of advanced nuclear weapon theory, design, and to a lesser extent, related systems such as launch vehicles and controls at a technical / academic level. This is a moderated, serious subreddit. Read and comprehend the rules and the community guide before contributing.

22k subscribers56 posts / mo in Sep 2026 (incl. ~4% by known bots)47 authors / mosince 2012

r/nuclearweapons has 22k members (+23% over the last 12 months). It gets about 56 posts a month from 47 people. Top topics: Nuclear Reactors, Cuban Missile Crisis and Nuclear Warfare Mods.

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When to post on r/nuclearweapons

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Size and growth

How r/nuclearweapons has grown

r/nuclearweapons

Subscriber growth

Subscribers over time

+23%in 12 months · +3.6% in 3 months · +0.7% in 1 month
Oct 202622k
Growing22k subscribers
Data since Mar 2018Live · through Oct 2026
r/nuclearweapons

Monthly activity

Posts, comments and authors per month

−24%vs Sep 2025 · −19% last 3 months vs the 3 before
Sep 202656
QuieterPeaked at 168 in Jun 2025
Sep 2026: incl. ~4% by known botsData through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/nuclearweapons

Top topics

Share of the subreddit's posts

  1. Nuclear Reactors0.4%
  2. Cuban Missile Crisis0.4%
  3. Nuclear Warfare Mods0.3%
  4. North Korea Missiles0.3%
  5. Nuclear Warfare0.2%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. Restricted Data: A Nuclear History Blog
  2. The Nuclear Weapon Archive
  3. OSTI
  4. Substack
  5. Wikimedia

The full report

Everything else about r/nuclearweapons

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