List of subs that have shut down so far:

/r/4chan (655,245 subscribers) /r/alaska (7,411) /r/amifreetogo (16,646) /r/animalsbeingjerks (235,630) /r/anonymous (28,766) /r/art (3,256,241) /r/askmen (196,996) /r/askreddit (8,917,673) /r/autos (68,814) /r/bad_cop_no_donut (78,894) /r/badphilosophy (10,955) /r/banana (6,192) /r/bestofstreamingvideo (34,226) /r/blackpeoplgifs (87,663) /r/blackpeopletwitter (401,375) /r/bollywoodrealism (25,328) /r/bookclub (19,529) /r/books (5,103,352) /r/booksuggestions (49,899) /r/borderlands2 (40,892) /r/burgers (8,303) /r/buttcoin (5,894) /r/buyitforlife (170,159) /r/candidfashionpolice (54,309) /r/cannabis (28,112) /r/centuryclub (???) /r/cinemagraphs (105,915) /r/circlejerk (254,505) /r/crappydesign (189,355) /r/creatures_of_earth (6,484) /r/crossfit (33,678) /r/dailydouble (12,215) /r/dataisbeautiful (3,408,056) /r/de_iama (66,824) /r/destiny (9,764) /r/dinosaurdrawings (7,404) /r/documentaries (3,377,766) /r/doesanybodyelse (252,164) /r/eatcheapandhealthy (246,228) /r/facepalm (375,433) /r/fallout (221,890) /r/falloutlore (11,572) /r/falloutmods (6,078) /r/familyrecipes (6,919) /r/fatlogic (92,483) /r/fifthworldpics (61,512) /r/fiftyfifty (265,464) /r/finalfantasy (46,065) /r/finance (62,999) /r/fnv (18,529) /r/fo3 (6,667) /r/fo4 (16,897) /r/foshelter (9,400) /r/fuckolly (9,150) /r/futanari (31,300) /r/futurewhatif (17,121) /r/gadgets (3,427,275) /r/gaming (8,022,320) /r/gaming4gamers (29,239) /r/gaybros (53,253) /r/gore (49,886) /r/graphicnovels (8,812) /r/gravityfalls (22,501) /r/greysanatomy (7,243) /r/grilledcheese (34,868) /r/gtav (60,829) /r/hardcoreaww (37,520) /r/hentai (81,966) /r/hiphopheads (294,066) /r/historicalrage (5,970) /r/history (3,431,562) /r/humansbeingbros (41,655) /r/iama, the original (8,521,238) /r/imgoingtohellforthis (459,391) /r/insightfulquestions (38,413) /r/instant_regret (106,718) /r/interstellar (11,100) /r/intrusivethoughts (22,116) /r/jobfair (18,920) /r/jokes (3,552,326) /r/karmaconspiracy (58,592) /r/latvianjokes (29,022) /r/law (40,776) /r/lazycats (5,601) /r/lewronggeneration (52,233) /r/lifehacks (413,920) /r/lifeprotips (4,112,364) /r/listentothis has locked submissions (3,354,651) /r/litecoin (25,611) /r/lookatmydog (19,927) /r/louisiana (5,400) /r/massivecock (31,461) /r/mineralporn (20,594) /r/montageparodies (138,461) /r/morbidreality (187,712) /r/movies (7,662,117) /r/music (7,391,288) /r/netsec (134,403) /r/newsokur (10,787) /r/nsfw411 (31,925) /r/nsfwgif (9,792) /r/nsfw_snapchat (31,690) /r/obscuremedia (38,692) /r/onepiece (48,326) /r/onoff (168,990) /r/operationgrabass (5,976) /r/paomustresign (7,535) /r/personofinterest has locked submissions (6,985) /r/photography (243,189) /r/pics has locked submissions (8,823,504) /r/preggo (5,596) /r/projectcar (14,050) /r/r4r (79,824) /r/randomactsofcsgo (11,369) /r/rbi (28,584) /r/regularshow (21,943) /r/samsung (6,634) /r/science (8,595,726) /r/scottpilgrim (6,835) /r/seo (24,671) /r/shittyreactiongifs (111,647) /r/skyrim (301,038) /r/sluttystrangers (19,768) /r/sonsofanarchy (25,741) /r/spain (5,829) /r/splitdepthgifs (41,023) /r/splatoon (18,031) /r/srssucks (12,505) /r/starcitizen made up its mind (51,971) /r/startrekstabilized (9,766) /r/subaru (43,055) /r/subredditcancer (7,979) /r/subredditdramadrama (6,185) /r/talesfromthepizzaguy (34,986) /r/ted (33,288) /r/teenagers (98,555) /r/thelastairbender (138,974) /r/theonion (10,749) /r/thepopcornstand (7,087) /r/timanderic given to /pol/ (20,852) /r/tinder (137,103) /r/todayilearned (8,782,268) /r/toosoon (73,894) /r/torrents /r/trackers (47,245) /r/trees (757,135) /r/twitter (8,402) /r/ukpolitics (36,450) /r/ulyssesbucketlist (5,960) /r/unexpectedthuglife (199,623) /r/universityofreddit (74,204) /r/usa (5,148) /r/usenet (21,516) /r/videos (8,082,138) /r/wastedgifs (108,569) /r/weather (14,800) /r/webgames (87,932) /r/wildernessbackpacking (8,816) /r/worldbuilding (54,407) /r/worstof (35,435) /r/wouldyoufuckmywife (29,169) /r/xkcd (58,918) /r/youdontsurf (176,671)