| Score | Rank | Name | Members | Category | ||
|---|---|---|---|---|---|---|
| 01 |  |  | Announcements /r/announcements | 197M | General | |
| 02 |  |  | funny /r/funny | 48M | Comedy | |
| 03 |  | | Ask Reddit... /r/AskReddit | 40M | General | |
| 04 |  | r/gaming /r/gaming | 36.1M | Gaming | ||
| 05 |  | A subreddit for cute and cuddly pictures /r/aww | 34M | Fun | ||
| 06 | | /r/Music /r/Music | 32M | Music | ||
| 07 | | World News /r/worldnews | 31M | News | ||
| 08 |  | Today I Learned (TIL) /r/todayilearned | 30.6M | Education | ||
| 09 |  | Movie News and Discussion /r/movies | 30.3M | Movie News | ||
| 10 | | Reddit Pics /r/pics | 30M | Random Pictures | ||
| 11 |  | Reddit Science /r/science | 29.5M | Science | ||
| 12 |  | Showerthoughts /r/Showerthoughts | 27M | General | ||
| 13 |  | /r/videos /r/videos | 26.7M | Random Videos | ||
| 14 |  | News /r/news | 26M | News | ||
| 15 |  | Jokes: Get Your Funny On! /r/Jokes | 25.5M | Comedy | ||
| 16 |  | /r/Memes the original since 2008 /r/memes | 24M | Comedy | ||
| 17 |  | AskScience: Got Questions? Get Answers. /r/askscience | 21.9M | Science | ||
| 18 | | IAmA /r/IAmA | 23.5M | General | ||
| 19 |  | Welcome to /r/Food on Reddit! /r/food | 23.3M | Food | ||
| 20 | | Earth***n: Amazing images of light and landscape /r/Earth***n | 23M | Photography | ||
| 21 |  | /r/space: news, articles and discussion /r/space | 22.7M | Space News | ||
| 22 |  | So many books, so little time /r/books | 22.3M | Book | ||
| 23 | | Sadly, this is not the Onion. /r/nottheonion | 22.2M | General | ||
| 24 | | DIY /r/DIY | 22.1M | Education | ||
| 25 |  | Art /r/Art | 22.1M | Art | ||
| 26 | | Explain Like I'm Five | Don't Panic! /r/explainlikeimfive | 22M | Education | ||
| 27 | | Life Pro Tips /r/LifeProTips | 22M | General | ||
| 28 | | .gifs - funny, animated gifs for your viewing pleasure /r/gifs | 21.7M | Comedy | ||
| 29 |  | For photos that are, you know, mildly interesting /r/mildlyinteresting | 21.7M | Photography | ||
| 30 |  | gadgets /r/gadgets | 21M | Technology | ||
| 31 |  | Reddit Sports /r/sports | 20.7M | Sport | ||
| 32 | | Documentaries /r/Documentaries | 20.4M | Documentary | ||
| 33 |  | Get Motivated! /r/GetMotivated | 19.5M | General | ||
| 34 |  | DataIsBeautiful /r/dataisbeautiful | 19.4M | Science | ||
| 35 | | Blog /r/blog | 19M | Blog | ||
| 36 |  | Uplifting News /r/UpliftingNews | 19M | News | ||
| 37 |  | Today I ****d Up /r/tifu | 18.4M | General | ||
| 38 |  | PhotoshopBattles /r/photoshopbattles | 18.3M | Comedy | ||
| 39 |  | Future(s) Studies /r/Futurology | 18.2M | Education | ||
| 40 | | Listen To This /r/listentothis | 18M | General | ||
| 41 |  | History /r/history | 17.5M | History | ||
| 42 |  | OldSchoolCool: History's cool kids, looking fantastic /r/OldSchoolCool | 17.5M | Education | ||
| 43 | | Personal Finance /r/personalfinance | 17.4M | Finance | ||
| 44 | | nosleep /r/nosleep | 17.4M | General | ||
| 45 |  | philosophy /r/philosophy | 17.2M | Education | ||
| 46 |  | Prompts and motivation to create something out of nothing /r/WritingPrompts | 16.8M | Education | ||
| 47 |  | Television Discussion and News /r/television | 16.7M | General | ||
| 48 |  | 10/10 would bookmark again /r/InternetIsBeautiful | 16.5M | General | ||
| 49 |  | For All Things Creepy /r/creepy | 14.8M | General | ||
| 50 |  | r/TwoXChromosomes: You are the community. You have all the power of the internet to mold it. /r/TwoXChromosomes | 13.6M | Science |
