How long would it take for humans to go extinct?

Humanity has a 95\% probability of being extinct in 7,800,000 years, according to J. Richard Gott’s formulation of the controversial Doomsday argument, which argues that we have probably already lived through half the duration of human history.

How many humans would you need to repopulate the earth?

If most of the humans on Earth died how many humans would we need to repopulate? – Quora. According this excellent article by Sarah Fecht, it would require right around 10,000 humans in order to assure genetic diversity — and thus survival.

How long would it take for humans to go extinct without reproduction?

It depends on the reason that reproduction stopped. If we all collectively agreed to go extinct by not breeding then humans would go extinct in a hundred years or so.

What is the problem this world is having with reproduction?

The problem this world is having is the fact that the only people who usually decide to not reproduce are the smart ones. Thus the genes of the eejits and the single moms will be predominant. I think it’s a better act to kill a couple of scumbags than decide not to have children yourself.

Will humans be able to reproduce naturally by 2050?

In the book, she makes a provocative claim: Humans may not have the ability to reproduce naturally for much longer. She estimates that by 2050, a large portion of the global population will need assisted reproductive technology to procreate.

What would happen if we all agreed to go extinct?

If we all collectively agreed to go extinct by not breeding then humans would go extinct in a hundred years or so. Then nature would creep back in and take over our cities and a few million years later the intelligent ancestors of elephants or raccoons would unearth evidence of our civilization and wonder who we were.