| Rank | Subscribers | |
| 1 | /r/announcements | 20,885,497 |
| 2 | /r/funny | 18,562,936 |
| 3 | /r/AskReddit | 18,364,355 |
| 4 | /r/todayilearned | 18,133,386 |
| 5 | /r/science | 18,038,553 |
| 6 | /r/worldnews | 18,008,281 |
| 7 | /r/pics | 17,966,699 |
| 8 | /r/IAmA | 17,539,647 |
| 9 | /r/gaming | 17,370,593 |
| 10 | /r/videos | 17,157,891 |
| 11 | /r/movies | 16,916,916 |
| 12 | /r/aww | 16,412,470 |
| 13 | /r/Music | 16,284,435 |
| 14 | /r/blog | 16,185,075 |
| 15 | /r/gifs | 15,516,472 |
| 16 | /r/news | 15,443,947 |
| 17 | /r/explainlikeimfive | 15,049,948 |
| 18 | /r/askscience | 14,964,093 |
| 19 | /r/EarthPorn | 14,625,643 |
| 20 | /r/books | 14,046,479 |
| 21 | /r/television | 13,999,219 |
| 22 | /r/mildlyinteresting | 13,640,666 |
| 23 | /r/LifeProTips | 13,589,853 |
| 24 | /r/space | 13,309,526 |
| 25 | /r/Showerthoughts | 13,304,632 |
| 26 | /r/DIY | 13,144,944 |
| 27 | /r/Jokes | 13,026,773 |
| 28 | /r/gadgets | 12,930,795 |
| 29 | /r/sports | 12,879,048 |
| 30 | /r/nottheonion | 12,864,170 |
| 31 | /r/tifu | 12,839,223 |
| 32 | /r/InternetIsBeautiful | 12,752,322 |
| 33 | /r/food | 12,744,236 |
| 34 | /r/photoshopbattles | 12,709,843 |
| 35 | /r/history | 12,651,177 |
| 36 | /r/Documentaries | 12,648,080 |
| 37 | /r/Futurology | 12,643,410 |
| 38 | /r/dataisbeautiful | 12,626,207 |
| 39 | /r/listentothis | 12,579,522 |
| 40 | /r/UpliftingNews | 12,570,339 |
| 41 | /r/personalfinance | 12,524,432 |
| 42 | /r/GetMotivated | 12,502,510 |
| 43 | /r/OldSchoolCool | 12,411,926 |
| 44 | /r/philosophy | 12,380,055 |
| 45 | /r/Art | 12,266,920 |
| 46 | /r/nosleep | 11,940,768 |
| 47 | /r/creepy | 11,917,889 |
| 48 | /r/WritingPrompts | 11,913,106 |
| 49 | /r/TwoXChromosomes | 11,438,422 |
| 50 | /r/Fitness | 6,248,686 |
| 51 | /r/technology | 5,779,014 |
| 52 | /r/WTF | 4,956,151 |
| 53 | /r/bestof | 4,825,172 |
| 54 | /r/AdviceAnimals | 4,436,336 |
| 55 | /r/politics | 3,599,688 |
| 56 | /r/atheism | 2,123,549 |
| 57 | /r/interestingasfuck | 1,688,250 |
| 58 | /r/europe | 1,605,139 |
| 59 | /r/woahdude | 1,517,693 |
| 60 | /r/BlackPeopleTwitter | 1,293,381 |
| 61 | /r/gonewild | 1,272,768 |
| 62 | /r/leagueoflegends | 1,249,411 |
| 63 | /r/pcmasterrace | 1,232,533 |
| 64 | /r/reactiongifs | 1,204,806 |
| 65 | /r/gameofthrones | 1,204,235 |
| 66 | /r/oddlysatisfying | 1,174,356 |
| 67 | /r/Unexpected | 1,108,275 |
| 68 | /r/wholesomememes | 1,069,396 |
| 69 | /r/trees | 1,059,645 |
| 70 | /r/Overwatch | 1,050,305 |
| 71 | /r/Android | 999,724 |
| 72 | /r/facepalm | 972,593 |
| 73 | /r/lifehacks | 929,307 |
| 74 | /r/me_irl | 916,624 |
| 75 | /r/nba | 915,125 |
| 76 | /r/programming | 914,263 |
| 77 | /r/relationships | 913,959 |
| 78 | /r/Games | 913,236 |
| 79 | /r/nsfw | 862,848 |
| 80 | /r/tattoos | 848,600 |
| 81 | /r/cringepics | 848,059 |
| 82 | /r/4chan | 846,150 |
| 83 | /r/CrappyDesign | 820,661 |
| 84 | /r/sex | 819,121 |
| 85 | /r/pokemon | 813,566 |
| 86 | /r/comics | 813,085 |
| 87 | /r/soccer | 809,276 |
| 88 | /r/NSFW_GIF | 801,958 |
| 89 | /r/dankmemes | 798,889 |
| 90 | /r/Frugal | 786,721 |
| 91 | /r/fffffffuuuuuuuuuuuu | 785,275 |
| 92 | /r/NatureIsFuckingLit | 782,287 |
| 93 | /r/malefashionadvice | 782,216 |
| 94 | /r/RealGirls | 776,953 |
| 95 | /r/Whatcouldgowrong | 775,956 |
| 96 | /r/reddit.com | 761,597 |
| 97 | /r/StarWars | 760,284 |
| 98 | /r/OutOfTheLoop | 756,422 |
| 99 | /r/HistoryPorn | 752,284 |
| 100 | /r/pokemongo | 744,945 |