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r/decadeology PUBLIC

This is the perfect subreddit to discuss cultural shifts, trends, cultural eras, and decades.

195,945 members
Created: Sep 2012
Language: EN
NEUTRAL SENTIMENT
Last analyzed: May 28, 2026 22:00
Marketing Summary

r/decadeology is a PUBLIC community on Reddit with over 195,945 members. It currently has a neutral sentiment with an engagement rate of 1.5%. With a community friendliness score of 50, this subreddit presents a moderate conversion potential for authentic brand participation. Self-promotion is generally allowed according to recent analysis.

50
Friendliness Score
1.5%
Engagement Rate
65
Conversion Potential
2.0%
Monthly Growth
Marketing Analytics
124.7
Avg Post Score
66.2
Avg Comments
25
Brand Mentions
0
Posts/Hour
Top Post Types
text 80.0% (40)
image 12.0% (6)
link 8.0% (4)
Peak Activity Hours
Times shown in UTC (Coordinated Universal Time) Local times are automatically converted based on your browser's timezone
10PM UTC
High
~35 active
2AM UTC
Medium
~20 active
Community Culture
Community Sentiment NEUTRAL
Friendliness Score: 50/100
17.2K
Avg User Karma of Top Posts
70%
Commercial Acceptance
Content Preferences
Moderation Patterns
Rules & Compliance
10
Total Rules
Images
Videos
Self Promotion
Require Flairs
Public
Posting Requirements & Restrictions
No limit
Minimum Karma
No limit
Min Account Age (days)
ANY
Submission Type
Enabled
Flair System
Subreddit Rules
  1. No generationology: This is a subreddit for decadeology, not generationology. Threads such as "Is 2017 the first cultural Gen Z year?" are OK and allowed, as long as there is no debate over who is Gen Z or not. This is not the subreddit to cry about being grouped with people younger than you. Any generation-related discussions involving birth years will be removed. Those types of discussions belong to r/generationology.
  2. No "decade kid" debates: Decade kid discussions are an extension of generationology, which is against our rules. We do not care what birth years you consider a 90's kid, or 2000's kid, or whatever. These topics belong to r/generationology. We are here to discuss pop cultural eras.
  3. Try to be respectful of others opinions: You may not agree with another user, but try to keep it civil. You will not always agree with someone and that's ok.
  4. No low-effort content: All content must demonstrate a reasonable effort to contribute to the community.
  5. Don't post your flame war drama on here.: At r/decadeology, we genuinely do not care to see screenshots or rants of your Internet flame war drama. Either report it to the mods, or ignore it and stop feeding the trolls.
  6. No discrimination: Don't judge anyone based off of race, gender, sexual orientation, etc.
  7. Please stay on topic: All threads should relate to decade-specific trends. r/decadeology is not a general-purpose nostalgia or pop culture subreddit.
  8. No numerologist interlopers: You cannot use "X year is the numerical shift year between Y era and Z era" as an argument. Inversely, you cannot say "B year is NOT the shift year because it isn't numerically split between "A" era and "C" era.
  9. For example
  10. "ERMAHGERD 2022 cannot be the shift to the mid 20s, it literally began in 2023!!!!111"
  11. You CAN say the numerically split year is a shift year. But NOT because of the numerical split fallacy argument. You have to explain why it is or isn't a shift year CULTURALLY.
Marketing Data Updated
May 28, 2026
Rules Updated
Jul 16, 2026
Compliance Updated
Jul 16, 2026

What is r/decadeology?

r/decadeology is a public Reddit community created in September 2012 with over 195,945 members. This is the perfect subreddit to discuss cultural shifts, trends, cultural eras, and decades.

The community has a neutral sentiment and an engagement rate of 1.5%. With a friendliness score of 50, it is considered very welcoming to new members.

Self-promotion is generally allowed, making it a potential opportunity for authentic brand participation.

Frequently Asked Questions about r/decadeology

r/decadeology is a public Reddit community with 195,945 members. This is the perfect subreddit to discuss cultural shifts, trends, cultural eras, and decades.

With a conversion potential of 65 and an engagement rate of 1.5%, r/decadeology presents a moderate opportunity for authentic brand participation. Self-promotion is generally allowed, but always follow community guidelines.

r/decadeology has 10 community rules.

r/decadeology has an engagement rate of 1.5% with an average post score of 124.7 and an average of 66.2 comments per post. The community sentiment is neutral with a friendliness score of 50 out of 10.
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