Questions tagged [population]
For questions on population sizes, maximums and minimums, how they are affected by different events, etc.
310 questions
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What is a realistic size and population for a predator that eats humans?
I'm trying to build a species that's exclusively carnivorous, and its favored prey is humans. The species is a solitary mammalian ambush predator, probably with a build similar to a big cat such as a ...
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Underground city of 25,000 - minimum size?
In my world, 25000 people live in an underground city on Europa embedded within the ice.
The city's primary industries are exploiting resources unique to Europa (which in my universe is crude oil &...
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Need Assistance in formulating equations to find growth rate for population growth with complicating factors [closed]
I Need Help determining Growth Rate for Population Growth Math
Okay, so if we take a growth rate of 1.0012 as a given set rate for humans in a medieval/ancient society, that is our baseline. Humans ...
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How to calculate population growth of space colonies including immigration
My setting involves colonizing other planets over long periods of time and I am trying to calculate population growth of these colonies to determine how developed they become by a certain date. While ...
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Are Underground Cities feasible? [duplicate]
in the future, say we begin mass-producing humen on a large-scale, and the population increases tremendously (15-25 billion), but we also want to save some land for wildlife and forests, and we can't ...
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Maximizing Population Density for Hunter-Gatherers [closed]
How can we maximize population density for a strictly hunter-gatherer population, considering optimal climate, geography, fauna, and flora while making full use of resources from both land and sea? ...
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What would be the human population if all humans and human activity disappeared from the mainland continents [closed]
Basically, I'm in a collaborative project where all of humanity and human-built development disappear on the mainland continents (Africa, Eurasia, Australia, and the Americas) ; and the islands have ...
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Can an exponentially growing population perform eugenics and selective breeding at short time scales?
I have the Propagation Hivemind, an all-female human hivemind. She has a superpower called the Dao of Propagation. Basically, it allows her to have children really quickly. When she(the hive members) ...
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Timetable of life spreading on a colonized planet [closed]
Lets suppose, a ship full of a few hundred colonists crash lands on the wrong planet where, despite the odds, they try to form a functioning society. This planet has oxygen, liquid water and is ...
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Is it possible to relocate a planet? Specifically Jupiter [duplicate]
My world, Anyare, has too many people on it. Instead of having a disaster, I want them to colonize another planet. Like Jupiter. By using Jupiter’s gases, and by attaching a giant propeller, is it ...
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Is it reasonable for one country to have a majority of a planet's population?
My planet only has about 25 million km2 of non-frozen land. Its population is about 4 billion, of which 2 billion lives in a single country.
The closest real world equivalent I can find is Asia in ...
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What would mermaid population distribution look like? [closed]
What would the population of aquatic humanoids look like? Where would the population cluster? (ie along coasts, in shallower areas, or in warmer waters) Where would the unpopulated "deserts" ...
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How small can an isolated society be at the technological level of the 18th century to also be self-sufficient?
Good morning everyone!
I am pursuing the idea of a society inspired by the ideals of "small is beautiful". Smallness has a value in itself. And that is what I want to express with the ...
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My Medieval kingdom has birth control, why is the population so high?
My world is roughly the same as the middle ages but has a natural form of birth control in the form of a root that can be grown and consumed to prevent pregnancy.
Because of this root, opportunities ...
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How large of an initial population would it take for these new traits to average out into the standard population of the world?
Let's say, many years ago, hybrids between humans and other mammalians were created and introduced into the world for various purposes. They have the same cognitive abilities as the other humans, and ...
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How would a country or kingdom instill loyalty and patriotism in its citizens and military? [closed]
How would a country or kingdom instill loyalty and patriotism in its citizens and military? With technology around 1930-1940
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How much would a population be able to recover after half of them being killed? [closed]
In a medieval setting, a kingdom had about 50% percent of its population killed (this includes all ages). About 50% of infrastructure was in need of repair, and a separate 25% of infrastructure needed ...
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Could all of human population fit in China, India, and Mongolia?
I have a scenario where Aliens must escape their Star system because a star 5 light years away from them is going nova soon. They find humanity and learn all about them in a few years - our whole ...
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Stranded mining colony using its own resources to build an interplanetary spacecraft: how long to completion can I credibly make it? (More = better)
Setting
In the not-too-far future, Mars hosts a few mining complexes that extract, refine and send materials back to our planetary system, as well as some scientific research bases. Commutes between ...
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Indian Ocean continent - which humans get there first?
Trying to develop an ATL in which several 'lost' continents in the Indian Ocean - namely Kerguelen, Broken Ridge and the Mascarene Plateau (just east of Madagascar) - never end up being submerged and ...
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How much could a population of 15000 grow over the course of 50 years?
How much could a population of 13,000 grow in 50 years? They are just coming out of a 13-year war with many deaths and few births. They have no medicine or technology to extend life, many plentiful ...
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How many children could a human have in one pregnancy (with safety being no concern)?
There's a nation with extreme fertility and population problems. Someone suggested the government could induce certain candidates to have a great number of children in a single pregnancy... at the ...
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Starting population to reach 1 billion people in a post apocalyptic scenario
Let's assume a post apocalyptic scenario, specifically a world which's sentient population was critically reduced due to a series of calamities, such as a sudden climate change chain reaction caused ...
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If the current population of humanity along with necessities could fit on a spaceship, how large would that ship need to be?
Here's the picture. Earth is beyond saving and is too polluted to be habitable anymore. My plan is to have this ship built on the moon, using materials from our asteroid belt. A bit of a problem is, I'...
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A subtle war between the sexes
In this question, I detail a world with a third human sex, lilim, who have bat-like wings and taloned feet like a bird's. The TL;DR is that lilim give birth to equal numbers of men, women and lilim (...
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