Key

alive: Active subreddit

quiet: Active in short bursts then goes back to being slow

slow: Occasional posts (less than 6 months between posts on average)

dead: Inactive for long periods of times, very infrequent posts, or no meaningful posts

locked: restricted

private: private

inactive mods: While most of the subs here have inactive mods, a lot of them are still somewhat active on Reddit to some extent. Marked subs are at least most likely be claimable

/r/firstworldproblems - alive

/r/1stworldproblems - dead, locked, redirect

/r/secondworldproblems - slow

/r/2ndworldproblems - dead

/r/thirdworldproblems - slow

/r/3rdworldproblems - dead, locked

/r/fourthworldproblems - alive

/r/fifthworldproblems - alive

/r/5thworldproblems - alive

/r/sixthworldproblems - alive

/r/6thworldproblems - slow

/r/seventhworldproblems - alive

/r/9thworldproblems - slow

/r/eighthworldproblems - slow

/r/8thworldproblems - slow

/r/ninthworldproblems - quiet

/r/tenthworldproblems - quiet

/r/10thworldproblems - slow

/r/eleventhworldproblems - slow

/r/twelfthworldproblems - slow

/r/thirteenthworld - dead

/r/13thworldproblems - slow

/r/14thworldproblems - dead, locked, inactive mods (none)

/r/18thworldproblems - dead, inactive mods

/r/19thworldproblems - dead

/r/20thworldproblems - dead, inactive mods

/r/21stworldproblems - dead, locked, inactive mods (none)

/r/22ndworldproblems - dead

/r/23rdworldproblems - dead

/r/24thworldproblems - dead, locked, inactive mods (none)

/r/25thworldproblems - dead

/r/26thworldproblems - dead, inactive mods

/r/27thworldproblems - dead, locked, inactive mods (none)

/r/28thworldproblems - slow

/r/29thworldproblems - quiet

/r/30thworldproblems - dead, locked, inactive mods

/r/31stworldproblems - dead

/r/33rdworldproblems - dead

/r/32ndworldproblems - dead, locked, no content, inactive mods (2 mo)

/r/34thworldproblems - dead

/r/35thworldproblems - dead, inactive mods

/r/36thworldproblems - dead, inactive mods (3 mo)

/r/37thworldproblems - dead, inactive mods

/r/38thworldproblems - dead, inactive mods

/r/39thworldproblems - dead

/r/40thworldproblems - dead

/r/41stworldproblems - banned

/r/42ndworldproblems - private

/r/43rdworldproblems - dead, inactive mods (3 mo)

/r/44thworldproblems - banned

/r/45thworldproblems - alive

/r/46thworldproblems - private

/r/47thworldproblems - dead, locked

/r/48thworldproblems - dead, locked

/r/49thworldproblems - dead, locked

/r/fiftiethworldproblems - dead

/r/50thworldproblems - dead

/r/51stworldproblems - dead

/r/52ndworldproblems - dead

/r/53rdworldproblems - slow

/r/54thworldproblems - slow

/r/55thworldproblems - dead, locked, inactive mods (none)

/r/56thworldproblems - banned

/r/57thworldproblems - private

/r/58thworldproblems - dead, locked, inactive mods (none)

/r/59thworldproblems - dead

/r/60thworldproblems - dead, locked, inactive mods (none)

/r/61stworldproblems - dead

/r/62ndworldproblems - dead

/r/63rdworldproblems - private

/r/64thworldproblems - dead

/r/65thworldproblems - dead

/r/66thworldproblems - private

/r/67thworldproblems - dead, locked, inactive mods (none)

/r/68thworldproblems - dead, locked, inactive mods (none)

/r/69thworldproblems - quiet, inactive mods (4 mo)

/r/70thworldproblems - dead, locked, inactive mods (none)

/r/71stworldproblems - private

/r/72ndworldproblems - dead

/r/73rdworldproblems - dead, inactive mods

/r/74thworldproblems - dead, inactive mods

/r/75thworldproblems - NopeNopeNopeNope Someone else can check its status

/r/76thworldproblems - dead, inactive mods (none)

/r/77thworldproblems - dead, inactive mods (none)

/r/78thworldproblems - dead, inactive mods (none)

/r/79thworldproblems - dead, inactive mods (none)

/r/80thworldproblems - dead

/r/81stworldproblems - dead, locked, inactive mods (none)

/r/82ndworldproblems - dead, locked, inactive mods (none), no posts

/r/83rdworldproblems - private

/r/84thworldproblems - dead, (would be kinda fun to revive ngl)

/r/85thworldproblems - dead, locked

/r/86thworldproblems - dead, locked, inactive mods (none)

/r/87thworldproblems - dead

/r/88thworldproblems - banned

/r/89thworldproblems - dead, inactive mods (none)

/r/90thworldproblems - private

/r/91stworldproblems - dead, locked, inactive mods (none)

/r/92ndworldproblems - dead, locked, inactive mods (none)

/r/93rdworldproblems - dead, locked, inactive mods (none)

/r/94thworldproblems - dead, inactive mods (none)

/r/95thworldproblems - dead (no recent relevant content), inactive mods

/r/96thworldproblems - dead

/r/97thworldproblems - dead, inactive mods (4 mo)

/r/98thworldproblems - dead, inactive mods

/r/99thworldproblems - dead

/r/100thworldproblems - slow

/r/109thworldproblems - dead

/r/114thworldproblems - dead

/r/123rdworldproblems - dead

/r/127thworldproblems - dead

/r/216thworldproblems - dead

/r/322ndworldproblems - dead

/r/324thworldproblems - dead, inactive mods (10 mo)

/r/420thworldproblems - dead

/r/503rdWorldProblems - dead, inactive mods (A world of buckets, nice)

/r/641stworldproblems - banned

/r/666thworldproblems - dead

/r/696thworldproblems - dead

/r/707thWorldProblems - dead

/r/747thworldproblems - dead, mods inactive (3 mo)

/r/844thworldproblems - dead, locked, (potentially inactive)

/r/888thworldproblems - dead

/r/969thworldproblems - dead

/r/999thworldproblems - slow

/r/1000thworldproblems - slow

/r/1066thworldproblems - private

/r/1098thworldproblems - slow

/r/1220thworldproblems - dead, mods inactive

/r/1922ndworldproblems - dead

/r/5245thworldproblems - dead

/r/6037thworldproblems - dead

/r/6544thworldproblems - private

/r/8255thworldproblems - dead

/r/8901stworldproblems - slow

/r/17284thworldproblems - dead

/r/29979thworldproblems - dead

/r/67698thworldproblems - slow