Humanity has Declined

Humanity has Declined

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Updated Aug 21, 2014 at 03:45PM EDT by Twenty-One.

Added Aug 21, 2014 at 02:32PM EDT by Twenty-One.

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Humanity has Declined (人類は衰退しました Jinrui wa Suitai Shimashita) refers to a Japanese Light Novel series written by Romeo Tanaka, and first published in 2007. After the anime adaptation of the series first aired, the series gained a notable fandom, spawning sub-memes and fan works.


Humanity has Declined first originated as a light novel series written by Romeo Tanaka and published by Shogakukan. As of August 2014, there have been a total of 8 novels published, with the series still ongoing. There have also been a number of manga adaptations created based on the series. The first adaptation, which first started circulation March 2010 issue of Shogakukan’s Monthly Ikki magazine, ran for one chapter before being cancelled after going on an indefinite hiatus in May of the same year. However, there are a number of adaptations which are still ongoing, including the 4 panel gag strip Jinrui wa Suitai Shimashita: Nonbirishita Hōkoku 4-koma. The series spiked in popularity after the anime adaptation of the series, which was produced by studio AIC A.S.T.A, and ran for 12 episodes between July 2 and September 17, 2012.


Humanity has Declined takes place in a post-apocalyptic world where humanity has started to decline in numbers, and overall regress in culture. The series follows a girl who works for the U.N., who acts as a mediator between the humans and the fairies, a species of small creatures who are able to create different things as long as they are allowed sweets and remain happy. However, these fairies also end up causing trouble for her while trying to create their own amusement.

Online Relevance

In North America, Humanity has Declined is licensed by Sentai Filmworks, and is available for streaming on their Crunchyroll[1]. The show has gained a large online following on many sites, including on Tumblr[2], 4chan’s /a/ (Anime and Manga) board[3], My Anime List[4], and DeviantART[5]. There are numerous sites that provide episodic information about the series, such as TV Tropes[6] and Anime News Network[7]. In addition, the Humanity has Declined Facebook page also has over 5,000 likes[8].


The Humanity has Declined series has spawned a significant online fanbase since it’s creation, which has created much fanart and fanfiction. On the Japanese fanart site Pixiv, there are over 2,000 images tagged under “人類は衰退しました”[9], as well as over 1,000 videos on the video sharing website Nico Nico Douga[10]. On DeviantART, there are also over 2,000 images tagged related to the series[11]

Related Memes

Humanity has Declined Opening Parodies/Declination Dance


Search Interest

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