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This is when {{immortality}} is granted on a large scale: to an entire civilization, or a village. Species that are naturally immortal such as elves fall under this as well. This can sidestep [[WhoWantsToLiveForever some of the problems inherent to immortality]] because when everyone is immortal then no one is alone and the general culture and mindset is that immortality is 'normal' and death is not. Thus, LivingForeverIsAwesome.

Their source of immortality may be a large or mass-produced ImmortalityInducer. If their immortality involves ImmortalityImmorality it may overlap with TownWithADarkSecret. There's also the question of what type of {{Immortality}} the civilization has; a society whose members can [[ResurrectiveImmortality respawn quickly after death]] will be different from one whose members [[TheAgeless never die from old age]] and both will be different from one whose members [[CompleteImmortality never die, period]]. Regardless, ImmortalProcreationClause is likely to be in effect and [[ImmortalityBisexuality little attention will be paid to the traditional gender roles]].

Compare and contrast LongLivedRace.



[[folder:Anime & Manga]]
* ''Franchise/{{Digimon}}'' never really die naturally, or at all for that matter (depending on the season of course).
* In ''LightNovel/SundayWithoutGod'', no one in the entire world can truly die, which was caused by [[HaveYouSeenMyGod God's disappearance.]] When a person is killed, they turn into an undead and have to be given peace by a gravekeeper.
* ''Anime/{{Mnemosyne}}'' features a few glimpses into the immortals' [[TheMasquerade secret society]]. However, by the time it becomes important, it is already considerably dwindled by the BigBad's efforts. One of its characteristic traits is [[ImmortalityBisexuality widespread lesbianism and bisexuality]], presumably because only women can become immortals in the setting.
* The titular organisation in ''Manga/UQHolder''. All the members are immortal, though most of them achieve it in different ways. Protagonist Touta and Karin are stated to have the strongest immortality, to the point where even if all of humanity, including the rest of UQ Holder, were to be wiped out, they'd would still survive.

[[folder:Comic Books]]
* ComicBook/TheEternals and most of Earth's mythological gods in Creator/MarvelComics. Eternals have historically maintained their own secret cities but sometimes hang around with mortal humans for kicks. The various gods live in pocket dimensions that are homes to their respective pantheons. To illustrate the difference this trope creates in mindset, there was a dialogue in an issue of ''ComicBook/TheAvengers'' where the Eternal Sersi was asked by one of her (mortal) teammates what the Eternals' beliefs regarding ghosts were. Sersi responded that the topic does not get discussed much in their culture -- because they don't die.
* In ''ComicBook/DeathVigil'', Bernadette grants immortality upon initiation into the Vigil among various other superpowers. The Vigil's goal is to fight another Society of Immortals--necromancers and the Pale Court--over the fate of Earth.

[[folder:Fan Works]]
* According to Jason in ''Sailor Moon: Legends of Lightstorm'', the entire universe used to be this way during the Silver Millennium. In a way, a society of immortals still exists, because all Sailor Scouts and Justice Champions can live forever unless something kills them.
* This is the goal of "The Great Plan" in the My Little Pony: Friendship is Magic fanfic, ''Fanfic/TheGreatAlicornHunt''. The plan is to, basically, cure old age by turning anyone and everyone they can into immortal alicorns, and also find a way to grant immortality to those who can't be "alicornified". Problems that could come with this are addressed in early chapters. In the case of overpopulation, they'll start colonizing other planets (traveling to the moon was possible a thousand years pre-series so this is also possible).

* Elves in Creator/JRRTolkien's ''Literature/TheLordOfTheRings'' stories.
* The people of Literature/TheCulture can become genetically immortal if they so choose to, it is just not commonly done since becoming immortal is considered gauche. They can also be resurrected at will via brain uploading.
* In ''Literature/AlteredCarbon'' everyone is implanted with a cortical stack at birth that records their brain activity so they can be "re-sleeved" in a new body when they die. Though most people only choose to be re-sleeved a couple times, except for some rich eccentrics referred to as Methuselahs.
* Before the Saudar enticed the Marra into the physical world and made them forget how to return home via TheFogOfAges in ''Literature/TheMadnessSeason'', the Marra had an eternal civilization somewhere in hyperspace.
* In Creator/MikhailAkhmanov and Christopher Nicholas Gilmore's ''Literature/CaptainFrenchOrTheQuestForParadise'', humanity has long ago figure out how to stop the ageing process using a one-time gene therapy called Cell Regeneration (or just CR), which most people do in their mid-20s. While this doesn't grant true immortality (i.e. you can still die a violent death or get sick), enormous advances in medicine also mean that most diseases are treatable (in fact, the titular protagonist had himself sterilized, so that he can have as much sex as he wants without the risk of having children, knowing perfectly well that it can be reversed). Of course, this would be a major problem on a single world. Luckily, humanity has also discovered interstellar travel (but not FTL travel) and has settled thousands of worlds. Due to the incredible population growth, planets reaching a certain population density institute [[PopulationControl child licenses]].
** It's mentioned that many planets punish capital offenders not with death but with something even worse - ageing, as CR is reversible. On the planet Murphy, however, which is currently controlled by a cult of religious fanatics following a [[ColonyDrop comet strike]], everybody gets CR without exception and no one is ever deprived, as CR is seen as God's gift to humanity.
** At the time of the events of the novel, the protagonist is well over 2000 years old. Subjective years, that is, as his constant near-light interstellar travels mean that he was born over 20,000 years ago (he was the first NASA astronaut to reach another star). When he meets his latest wife, she is in her 40s (but looks 24) and is still a virgin due to being raised in a convent.
* In Creator/RobertReed's ''Literature/GreatShip'' universe, most of humanity is effectively immortal because of their [[TransHuman genetic modifications and emergency genes]]. One character remarks at how young a hull repairman is, at the ripe young age of 50,000 years old. It's also remarkably difficult to actually ''kill'' a human short of blasting their head with a PlasmaCannon courtesy of their HealingFactor; most wounds can be healed given enough time and raw materials. The majority of alien species seen on the [[PlanetSpaceship Greatship]] are likewise ageless, as space travel without any FasterThanLightTravel is ''very'' slow, to say the least.
* Creator/RobertAHeinlein's "Future History" [[TheVerse 'verse]], starting with the novel ''Literature/MethuselahsChildren'' and continuing with ''Literature/TimeEnoughForLove'', postulates a society of extremely long-lived humans who achieved this goal via applied eugenics. Specifically, beginning in the 19th century, they paid people with long-lived ancestors to mate with one another, thus producing a breed of humans with unusually long lifespans. Jump forward a few dozen centuries and it is not abnormal for a "Howard" (named after the society's founder) to live for several hundred years naturally. Combine this with [[FountainOfYouth medical rejuvenation technology]] and you have an entire society of human beings who only die through mischance or when they wish to.
* In the ''Franchise/{{Halo}}'' novel series ''Literature/TheForerunnerSaga'', the Forerunners are all shown to wear armor which give them lifespans that are millennia in length.
* On ''Literature/{{Riverworld}}'', no one looks older than the beginning of adulthood and anyone who dies appears somewhere else in a new body.
* In Creator/AndreyLivadny's ''Literature/TheHistoryOfTheGalaxy'' series, the [[StarfishAliens Logrians]] have invented extremely powerful but tiny computers called logrs. Each logr is a small crystal that can store a living being's personality. The Logrians, being wary of ImmortalityImmorality, have forbidden themselves from using logrs to copy their minds into new cloned bodies after death. Instead, they live inside the tiny computers in a virtual world and contemplate the nature of things. Naturally, not every being is content to eternity of contemplation. When the Logrians were enslaved by the [[HumanAliens Harammins]], their ruling caste used the logrs to make themselves effectively immortal. Naming their caste the Immortal Quota, they continued to rule over the rest of their race, as well as the enslaved Logrians and [[InsectoidAliens Insects]], for 3 million years until they started (and lost) a short war with humanity. Their ImmortalityImmorality brought about a status quo, resulting in zero technological progress (in fact, the progress was actually negative). So, when the relatively young humans showed up with HumongousMecha, the Immortal Quota was wiped out. After this, humans began to use logrs to store personalities of the deceased, although their new Logrian allies frowned upon using the same method as the Harammins to extend life. Humans went around this by sending willing personalities to remote star systems in order to settle new worlds (logrs are actually capable of independent space flight). Thus, they are effectively starting new lives in younger bodies far from what they know.
** A LostColony called Doom is later found, whose inhabitants are human colonists whose bodies were mutated shortly after landing by nanites left over from an ancient Harammin project to create immortality. While the mutations were different, all had their ageing process stopped. The ImmortalProcreationClause applies as well, as very few children are born to the colonists. In fact, when the colony is re-discovered, there has not been a new birth in 200 years. Anyone under 500 years old is treated as a child. The protagonist of the novel decides to have the Confederate fleet blockade the colony, as the nanites in the atmosphere could spread havoc through the galaxy.
* In the ''Literature/{{Eldraeverse}}'' both the [[SpaceElves eldrae]] and the [[SiliconBasedLife galari]] are naturally TheAgeless, and they've used their technology to add {{Body Backup Drive}}s and gift other sophonts with immortality as well.
* The immortal Griffin family from the {{Literature/Nightside}} made a practice of throwing parties for other immortals, which attracted everything from demigods to fey to vampires. As the Griffins were snobs and only the upper-crust attendees were likely to be invited more than once, such parties were effectively a ''High'' Society of Immortals.
* Creator/EdgarRiceBurroughs:
** In ''Literature/JohnCarterOfMars'', the Martian peoples are either [[TheAgeless ageless]] or least very LongLived, being capable of living hundreds of years, thanks to their advanced technology diseases and injury are easily recovered. Only a violent death can keep their population in check, [[DeathWorld and given the planet they live]], it happens a lot. However, by religious edict, those past 1000 years are required to take a sacred pilgrimage to Valley Dor, where it's believed that they will find paradise.
** In the ''Literature/{{Amtor}}'' series, the [[VestigialEmpire Vepajans]] from planet Venus become immortal thanks to an life-extending drug that slows down aging indefinitely.
* The culture of Saturn City in ''Literature/AeonLegionLabyrinth'' thanks to technology that can restore the user to a youthful state. Population growth is stagnate to prevent overcrowding and what few new Saturnians are born are a result of a lottery with the rest coming from immigrants to serve in the [[TimePolice Aeon Legion]]. Their culture considers ambition taboo.
* ''Literature/JourneyToChaos'': Towns such as Dnnac Ledo are populated by elves and much of their culture is about making productive use of eternal life. Adults teach their children to find their "Eternal Hobby", WalkTheEarth, and regularly visit their immortal relatives.

[[folder:Live-Action TV]]
* The Q Continuum from ''Franchise/StarTrek'' has a bunch of immortal people, all (but one) pretty satisfied with it. [[ImmortalProcreationClause Most of them can't have kids]], [[DefiedTrope but one of them did]].
* The Land of Immortals in the second ''{{Series/Spellbinder}}'' series. The immortality was an unintended side effect of a drug meant to cure a devastating plague. Unfortunately, it also kicked in the ImmortalProcreationClause. Among the survivors, no one can ever have children. Instead, they build clockwork automatons to "play" and entertain them. When the protagonists (a man and a teenage girl) end up in that world, the scientist who created the original drug kidnaps them and plans to set up PeopleFarms to repopulate his world... or at least provide few new faces around.
* ''Series/DoctorWho'': The Time Lords have near-immortality; if not killed, their natural lifespan, including regenerations, lasts thousands of years.
* In ''Series/TorchwoodMiracleDay'' everyone on earth suddenly becomes incapable of dying (except Jack). Unfortunately they don't heal. The ramifications include many countries instituting concentration camps for people who become disabled beyond medicine's ability to repair them. They also continue aging normally.

[[folder:Myths & Religion]]
* What happens in the after-life, according to some religions.
* Gnosticism: Aeons have the Pleroma.
* Hinduism & Buddhism style {{reincarnation}} could be seen as a [[ZigZaggingTrope zig-zag]] of this trope, with even "immortal" gods being just [[ReallySevenHundredYearsOld extremely long-lived]]; yet ''everyone'' is [[BornAgainImmortality technically immortal]], making just about any society one of [immortals].
* Spiritualism holds that human incarnation is like a temporary version of this trope.

[[folder:Tabletop Games]]
* The ''TabletopGame/DungeonsAndDragons'' campaign world of TabletopGame/{{Mystara}} had the [[ExactlyWhatItSaysOnTheTin Immortals]], who filled the role in that world that the gods filled in other campaign worlds. They were numerous enough, however, to qualify for this trope.
* The ''TabletopGame/{{Rolemaster}}'' setting ''Shadow World'' had immortal elves, [[FaunsAndSatyrs fauns]], Lennai, titans and K'ta'viiri.
* In ''TabletopGame/EclipsePhase'' nearly all biomorphs are largely immune to aging, and anyone who can afford decent [[BrainUploading backup]] insurance is pretty much safe against accidents or murder too.

* As a species of hardy HumongousMecha, ''{{Transformers}}'' never die of old age, are affected by only a couple very rare diseases, and usually require a ''lot'' of physical damage to die from injuries. Many of them are millions of years old, and some are outright {{Time Abyss}}es.

[[folder:Video Games]]
* Every single character you meet in ''Videogame/IMissTheSunrise'', including the PlayerCharacter, is TheAgeless, thanks to a mass-produced ImmortalityInducer. Furthermore, combat is extremely unlikely to be fatal, since craft will disengage long before the pilot is killed.
* Until the end of ''VideoGame/WarcraftIII,'' the Night Elves were a nation blessed with immortality by the Dragon Aspects. [[spoiler:They sacrifice this immortality to stop TheLegionsOfHell at the end of the game.]]
* The Dalish elves of ''Franchise/DragonAge'' think their people were like this at one time, centuries ago. It's debatable if they ever were, however.
** Supposedly, being among humans resulted in them having short lifespans (by their standards).
** [[spoiler:Only the nobility of the Elven Empire were immortal, while the lower/slave castes were mortal. Modern Elves are likely descendants of the slaves, meaning they were never immortal in the first place.]]
* For reasons that aren't entirely clear but have something to do with the place being 'downstream of Hell', inhabitants of VideoGame/FallenLondon all have ResurrectiveImmortality. Disease and old age can still kill them, though, and apparently they can't come back if someone desecrates them ''really'' thoroughly, either. And dying a lot of times can result in [[CameBackWrong coming back wrong]] and being shipped off to the Tomb-Colonies.
* In ''VideoGame/{{Battleborn}}'', those who have attained immortality via the Jennerit's Sustainment process are called the Sustained and within the FantasticCasteSystem of the Jennerit culture, they are at the top. Because of the huge energy consumption required to just make a single Sustained, there is but a select number of these Sustained consisting only of those who been deemed worthy enough to be granted the privilege of immortality. Furthermore due to things such as the [[FantasticRacism Jennerit's view of most other races]], Sustained are typically of the Jennerit race and it's a rather rare and quite unusual case when a Sustained happens to be a non-Jennerit.
* In ''VideoGame/{{Stellaris}}'' empires which complete the path to synthetic ascention turn into this, as its citizens upload their mind into robots that never die of old age, though they can still be destroyed. This aplies in a smaller scale to synthetic colonies as well. Since robots can't procreate naturally, an artificial ImmortalProcreationClause is not needed. New citizens are instead build by the state.
* ''VideoGame/{{Touhou}}'' has the Lunarians, a race of people who live on the Moon. They all seem to be unaging and distance themselves from any form of life or death as they consider such concepts "impure", remaining eternally unchanging. They're very reclusive as a result and usually hostile to outsiders. Funnily enough, they exiled Princess Kaguya for drinking an elixir that made her truly immortal, as they consider CompleteImmortality to be "impure" as well.

[[folder:Web Comics]]
* ''Webcomic/ErrantStory'' has a society of immortal elves. Also an extinct race of immortal (ageless) dwarves, never seen.
* ''Webcomic/SchlockMercenary'' had the society that created the Amorphs exist as a very late stage of this - most of its members had died off and the remainder were content with living in a cave and observing their Amorph "children" evolve over the ''billions of years'' since their own society collapsed under the weight of biological and sociological side-effects of transitioning from mortal to immortal.
** In Book 14 the company discovered the ruins of another ancient civilization whose members were essentially immortal. [[spoiler: After a few of them were reanimated they introduced nanotech that could prolong life indefinitely and make one very difficult to kill to the present galactic society. Much of Book 16 muses on the ramifications of a society of immortals.]]
* ''Webcomic/ElGoonishShive'' has two types of immortals: one with their own society; the other covertly living in human society. The former is made up of [[CapitalLettersAreMagic capital "I"]] Immortals who mostly live on the [[SpiritWorld spiritual plane]] where they mostly [[AllPowerfulBystander observe humans]] and [[SuperEmpowering occasionally visit the material plane to interact with certain humans in certain ways]]. The latter is made up of elves which are the children of Immortals and humans. They move every few decades so their agelessness doesn't attract attention. The only mentioned restrictions on them are that they are forbidden to serve in life-threatening jobs (since surviving the unsurvivable would break TheMasquerade) or to use their magic except in exceptional situations.
* ''WebComic/DeepRise'' Has [[StarfishAlien The Nobles]], whom do not wear out with age.

[[folder:Web Original]]
* In most of the Terragen sphere of ''WebOriginal/OrionsArm'' life extension [[NanoMachines nano]] and BrainUploading are so ubiquitous that most people live for 1,500 years before getting tired of living forever or [[TheSingularity Transcending]]. One alien race known as the Silent Ones have discovered how to completely halt the aging process, and the ruling class of their society is made up of said "immortals". They keep some regularly aging members of their race around for breeding purposes though (the immortality treatment causes severe birth defects in the offspring of immortals).
* The Federation of the ''Literature/ParaImperium'' universe has ubiquitous NanoMachines that halt aging. As the [[CultColony Outworlds]] are barred access to nanotech the inhabitants are mortal and exile to those worlds is essentially a death sentence.

[[folder:Real Life]]
* Certain species of [[http://en.wikipedia.org/wiki/Death#Senescence jellyfish]] potentially have BiologicalImmortality.
* As do all amoebae, who do not die from age but essentially stop existing as the same individual when they divide to reproduce.