Question

If the human population declines to fewer than 100 million, how many years would pass until the population is above 1 billion again?

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Total Forecasters56

Community Prediction1.14k

Make a Prediction

My Prediction

community

lower 25%

median

upper 75%

>3k

...

363

1.14k

27.4%

Authors:

Sylvain

Opened:

Closes:

Scheduled resolution:

World population

Observable universe

Will extinction occur within 20 years of the human population falling below 400 million, if the population falls that much by 2100?

30%

Will human population size recover to 5 billion by 3000CE if, by 2100, the population falls below 400 million without extinction occurring within 20 years?

66%

If there's a nuclear conflict involving >1,000 detonations, will humanity's population be less than 400 million 50 years later?

37%

Comments

? comments

Authors:

Sylvain

Opened:

Closes:

Scheduled resolution:

World population

Observable universe

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Will extinction occur within 20 years of the human population falling below 400 million, if the population falls that much by 2100?

30%

Will human population size recover to 5 billion by 3000CE if, by 2100, the population falls below 400 million without extinction occurring within 20 years?

66%

If there's a nuclear conflict involving >1,000 detonations, will humanity's population be less than 400 million 50 years later?

37%

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If the human population declines to fewer than 100 million, how many years would pass until the population is above 1 billion again?

Make a Prediction

Will extinction occur within 20 years of the human population falling below 400 million, if the population falls that much by 2100?

Will human population size recover to 5 billion by 3000CE if, by 2100, the population falls below 400 million without extinction occurring within 20 years?

If there's a nuclear conflict involving >1,000 detonations, will humanity's population be less than 400 million 50 years later?

Comments

Will extinction occur within 20 years of the human population falling below 400 million, if the population falls that much by 2100?

Will human population size recover to 5 billion by 3000CE if, by 2100, the population falls below 400 million without extinction occurring within 20 years?

If there's a nuclear conflict involving >1,000 detonations, will humanity's population be less than 400 million 50 years later?

Will extinction occur within 20 years of the human population falling below 400 million, if the population falls that much by 2100?

Will human population size recover to 5 billion by 3000CE if, by 2100, the population falls below 400 million without extinction occurring within 20 years?

If there's a nuclear conflict involving >1,000 detonations, will humanity's population be less than 400 million 50 years later?

Will extinction occur within 20 years of the human population falling below 400 million, if the population falls that much by 2100?

Will human population size recover to 5 billion by 3000CE if, by 2100, the population falls below 400 million without extinction occurring within 20 years?

If there's a nuclear conflict involving >1,000 detonations, will humanity's population be less than 400 million 50 years later?