Human Population and Life Expectancy

The video explores the concept of world population growth, highlighting that the current population is 7.5 billion, which is 7% of all humans ever born. It discusses a hypothetical scenario where all 108.2 billion humans who have ever lived are resurrected, examining the potential demographic and resource challenges. Historical life expectancy trends are analyzed, showing that most resurrected individuals would be young. The video concludes with the potential catastrophic impact of such a population increase and encourages viewers to engage with the channel and Skillshare.

What recent milestone did the world population achieve?

• 6 billion

• 7 billion

• 7.5 billion

• 8 billion

How many humans are estimated to have ever been born?

• 50 billion

• 75 billion

• 100 billion

• 108.2 billion

What percentage of all humans who have ever existed are alive today?

• 10%

• 15%

• 7%

• 5%

What was the life expectancy during the Neolithic Era?

• 20 years

• 40 years

• 33 years

• 26 years

Which region had the highest life expectancy before the industrial revolution?

• Pre-Colombian America

• Roman Empire

• Medieval Islamic Caliphate

• Classical Greece

What is the current lowest life expectancy in the world?

• 50.1 years

• 55.2 years

• 65.4 years

• 60.3 years

What would be the immediate consequence of resurrecting all humans?

• Technological advancement

• Resource abundance

• Resource strain and potential catastrophe

• Global peace

What is the estimated maximum population the Earth can support?

• 5 billion

• 10 billion

• 15 billion

• 20 billion

What percentage of the resurrected population is expected to survive after the initial shock?

• 10%

• 5%

• 2%

• 1%

What platform is promoted at the end of the video for learning?

• Udemy

• Coursera

• Khan Academy

• Skillshare