Jinrui wa Suitai Shimashita

Humanity Has Declined

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Alternative Titles

Synonyms: Jintai
Japanese: 人類は衰退しました
English: Humanity Has Declined
German: Humanity Has Declined
Spanish: Humanity Has Declined: (Jinrui wa Suitai Shimashita)
French: Humanity Has Declined
More titles


Type: TV
Episodes: 12
Status: Finished Airing
Aired: Jul 2, 2012 to Sep 17, 2012
Premiered: Summer 2012
Broadcast: Unknown
Licensors: Sentai Filmworks
Studios: AIC ASTA
Genres: AdventureAdventure, ComedyComedy, FantasyFantasy
Duration: 23 min. per ep.
Rating: PG-13 - Teens 13 or older


Score: 7.711 (scored by 6220762,207 users)
1 indicates a weighted score.
Ranked: #12362
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #1267
Members: 192,204
Favorites: 1,936

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Streaming Platforms

Ranked #1236Popularity #1267Members 192,204
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Episodes: /12


Because of the constantly declining birth rates over many decades, human civilization is all but extinct. With only a few humans remaining, they survive in this post-apocalyptic world with what was left behind by the previous generations. Earth is now dominated by fairies, tiny creatures with extremely advanced technology, an obsession with candy, and a complete disregard for human safety.

A young girl who has just finished her studies returns to her hometown and is designated as an official United Nations arbitrator. Her duty is to serve as a link between mankind and fairies, reassuring each side that both races can live together peacefully. She imagines this task will be easy enough, but controlling the disasters created by the oblivious fairies in their pursuit of candy will require a lot more effort than she initially believes.

[Written by MAL Rewrite]


Jinrui wa Suitai Shimashita adapts content from the first 6 novels of Romeo Tanaka's light novel series of the same title.

Characters & Voice Actors


Nakahara, Mai


Aoki, Sayaka


Mamiya, Kurumi


Sawashiro, Miyuki


Fukuyama, Jun


Mizuki, Nana


Hiyama, Nobuyuki


Nogawa, Sakura


Kanemoto, Hisako


Kuwatani, Natsuko


Ishiguro, Tatsuya
Sakurai, Takashi
Producer, Editing


Opening Theme

Apple Music
Amazon Music
Youtube Music
"Real World (リアルワールド)" by nano.RIPE (eps 1-11)

Ending Theme

"Yume no Naka no Watashi no Yume (ユメのなかノわたしのユメ)" by Masumi Ito


Dec 11, 2012
To learn and evolve is a natural process of human nature. But after countless mistakes, does this growth still hold any meaning? What then, if the consequences are so severe that amending the situation becomes impossible?

For Jinrui wa Suitai Shimashita, this is answered through a colorful world where humanity is on the verge of extinction, succeeded by a race of silly, mass-producing fairies bearing a constant grin. Adorable and amusing as they are, these little creatures are anything but auspicious. Repeating tragedy in situations of utter insanity, the fairies exist as a personification of humanity's follies, neatly told through a clever story of satire ...
Feb 3, 2018
Mixed Feelings


Humanity has Declined left me puzzled. Not necessarily out of confusion of whether I enjoyed the show or not. Spoiler, I did, but because I can't help but feel that if this series was more geared for "me", as someone with taste and emotion and certain biases, I would've down-right loved it. I think the best way I could describe Humanity has Declined is that of an audacious delight. Audacious because of the downright fascinating narrative choices, both in story and structure, and a delight because when everything wraps up at the end you are often times left going, "that was clever!" A series thats ...
Jun 4, 2013
I am just so happy to be through with that show, I really could not stand it. Generally I came to it for the amazing art style but I only found a pile of jokes that really didn't entertain me that much.
The show has some interesting atmosphere for a comedy, and it sometimes give the feeling of something more dramatic but it's not funny enough as a comedy and not nearly interesting enough as a drama.
Character and story development is almost non existent. The main character is being slightly examined throughout the show but the characters around her are so wacky there's hardly one relationship ...

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