| r/announcements | Official announcements from Reddit, Inc. | 302,607,304 | 2009-06-17 |
| r/funny | Reddit's largest humor depository | 67,647,238 | 2008-01-25 |
| r/askreddit | r/AskReddit is the place to ask and answer thought-provoking questions. | 60,061,423 | 2008-01-25 |
| r/worldnews | A place for major news from around the world, excluding US-internal news. | 47,692,663 | 2008-01-25 |
| r/gaming | The Number One Gaming forum on the Internet. | 47,370,695 | 2007-09-17 |
| r/todayilearned | You learn something new every day; what did you learn today?
Submit interesting and specific facts about something that you just found out here. | 41,718,448 | 2008-12-28 |
| r/music | Reddit’s #1 Music Community | 38,601,684 | 2008-01-25 |
| r/aww | Things that make you go AWW! -- like puppies, bunnies, babies, and so on...
Feel free to post original pictures and videos of cute things. | 37,901,477 | 2008-01-25 |
| r/movies | /r/movies is the world's largest online film community, with over 37,000,000 members. Come on in and talk about movies with us! | 37,725,827 | 2008-01-25 |
| r/memes | Memes!
A way of describing cultural information being shared.
An element of a culture or system of behavior that may be considered to be passed from one individual to another by nongenetic means, especially imitation. | 36,145,137 | 2008-07-05 |
| r/science | This community is a place to share and discuss new scientific research. Read about the latest advances in astronomy, biology, medicine, physics, social science, and more. Find and submit new publications and popular science coverage of current research. | 34,579,804 | 2006-10-18 |
| r/showerthoughts | A subreddit for sharing those miniature epiphanies that make the mundane more amazing. | 34,207,767 | 2011-10-18 |
| r/pics | A place for photographs, pictures, and other images. | 33,577,999 | 2008-01-25 |
| r/news | The place for news articles about current events in the United States and the rest of the world. Discuss it all here. | 31,605,339 | 2008-01-25 |
| r/jokes | The funniest sub on Reddit. Hundreds of jokes posted each day, and some of them aren't even reposts! | 30,439,332 | 2008-01-25 |
| r/space | Share & discuss informative content on:
* Astrophysics
* Cosmology
* Space Exploration
* Planetary Science
* Astrobiology | 27,993,084 | 2008-01-26 |
| r/diy | DIY | 27,533,750 | 2008-01-25 |
| r/books | This is a moderated subreddit. It is our intent and purpose to foster and encourage in-depth discussion about all things related to books, authors, genres, or publishing in a safe, supportive environment. If you're looking for help with a personal book recommendation, consult our Weekly Recommendation Thread, Suggested Reading page, or ask in r/suggestmeabook. | 27,343,327 | 2008-01-25 |
| r/videos | Reddit's main subreddit for videos.
Please read the sidebar below for our rules. | 26,896,599 | 2008-01-25 |
| r/askscience | Ask a science question, get a science answer. | 26,384,038 | 2008-09-05 |
| r/nottheonion | For true stories that you could have sworn were from The Onion. | 26,138,183 | 2008-10-25 |
| r/mildlyinteresting | Aww, cripes. I didn't know I'd have to write a description. How many words is that so far, like a hundred? Soooo, yeah. Mildly interesting stuff. Stuff that interests you. Mildly. It's in the name, ffs. | 25,451,077 | 2012-02-05 |
| r/amitheasshole | A catharsis for the frustrated moral philosopher in all of us, and a place to finally find out if you were wrong in an argument that's been bothering you. Tell us about any non-violent conflict you have experienced; give us both sides of the story, and find out if you're right, or you're the asshole.
See our ~~*Best Of*~~ "Most Controversial" at /r/AITAFiltered! | 24,669,645 | 2013-06-08 |
| r/food | The internets number one place for original food images and more! | 24,584,493 | 2008-01-25 |
| r/explainlikeimfive | Explain Like I'm Five is the best forum and archive on the internet for layperson-friendly explanations.
Don't Panic! | 23,698,158 | 2011-07-28 |
| r/earthporn | The internet's largest community of landscape photographers and Earth lovers. | 23,658,117 | 2011-02-14 |
| r/lifeprotips | Tips that improve your life in one way or another. | 23,123,880 | 2010-10-25 |
| r/gadgets | Gadgets | 22,817,884 | 2007-09-17 |
| r/art | This is a subreddit about art, where we are serious about art and artists, and discussing art in a mature, substantive way. Please READ THE RULES at https://www.reddit.com/r/Art/wiki/index BEFORE commenting or posting. Be on your best behavior. DO NOT talk about art sales in ANY way. We are strictly moderated and BAN WITHOUT WARNING. | 22,570,045 | 2008-01-25 |
| r/iama | I Am A, where the mundane becomes fascinating and the outrageous suddenly seems normal. | 22,483,157 | 2009-05-27 |
| r/sports | Sports News and Highlights from the NFL, NBA, NHL, MLB, MLS, and leagues around the world. | 22,126,073 | 2007-09-17 |
| r/personalfinance | Learn about budgeting, saving, getting out of debt, credit, investing, and retirement planning. Join our community, read the PF Wiki, and get on top of your finances! | 21,889,994 | 2009-02-09 |
| r/dataisbeautiful | DataIsBeautiful is for visualizations that effectively convey information.
Aesthetics are an important part of information visualization, but pretty pictures are not the sole aim of this subreddit. | 21,850,973 | 2012-02-14 |
| r/futurology | A subreddit devoted to the field of Future(s) Studies and evidence-based speculation about the development of humanity, technology, and civilization.
-------- You can also find us in the fediverse at - https://futurology.today | 21,723,320 | 2011-12-12 |
| r/gifs | "GIFs" is officially pronounced with a hard "J" | 21,514,203 | 2009-02-14 |
| r/damnthatsinteresting | For the most interesting things on the internet | 20,648,260 | 2013-07-21 |
| r/technology | Subreddit dedicated to the news and discussions about the creation and use of technology and its surrounding issues. | 20,612,342 | 2008-01-25 |
| r/upliftingnews | A place to read and share positive and uplifting, feel good news stories. | 20,500,746 | 2012-05-16 |
| r/wallstreetbets | Like 4chan found a Bloomberg Terminal. | 20,396,913 | 2012-01-31 |
| r/documentaries | tl;dw /r/Documentaries is reddit's main subreddit for documentaries. Please read our community rules. | 20,363,020 | 2008-03-21 |
| r/oldschoolcool | /r/OldSchoolCool
**History's cool kids, looking fantastic!**
A pictorial and video celebration of history's coolest kids, everything from beatniks to bikers, mods to rude boys, hippies to ravers. And everything in between.
If you've found a photo, or a photo essay, of people from the past looking fantastic, here's the place to share it. | 19,658,659 | 2012-04-21 |
| r/tifu | /r/TIFU means Today I Fucked Up | 18,974,786 | 2012-03-04 |
| r/writingprompts | Writing Prompts. You're a writer and you just want to flex those muscles? You've come to the right place! If you see a prompt you like, simply write a short story based on it. Get comments from others, and leave commentary for other people's works. Let's help each other. | 18,878,680 | 2010-09-07 |
| r/history | r/history is a place for discussions about history. Feel free to submit interesting articles, tell us about this cool book you just read, or start a discussion about who everyone's favorite figure of minor French nobility is! This is a somewhat more serious subreddit compared to many others. Make sure to familiarize yourself with our rules and guidelines before participating. All posts must be manually approved by a moderator. Thanks! | 18,756,645 | 2008-01-25 |
| r/philosophy | /r/philosophy: the portal for public philosophy | 18,586,571 | 2008-01-25 |
| r/wholesomememes | Welcome to the wholesome side of the internet! This community is for those searching for a way to capture virtue on the internet. | 18,299,934 | 2016-09-17 |
| r/nosleep | PLEASE READ OUR GUIDELINES FIRST. Nosleep is a place for redditors to share their scary personal experiences. | 18,244,665 | 2010-03-24 |
| r/television | For content primarily about and related to scripted television programming | 18,157,125 | 2008-01-25 |
| r/listentothis | The musical community of reddit -- Now reopened by the order of Reddit | 17,907,593 | 2009-05-06 |
| r/nba | A community for NBA discussion. | 17,309,101 | 2008-11-04 |