How Did The World Population Change?

Short answer - First slowly. Then fast.

ABOUT THIS VIDEO

In this short video Professor Hans Rosling shows how the size of the world population has changed over time. From the beginning of agriculture to the industrial revolution the population growth was very slow. Then the population started to grow rapidly because fewer died young. Today, most women have fewer children and therefore the rapid growth will soon be slowing down. World population will most likely stabilize around 11 billion towards the end of the century.

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ABOUT THIS SLIDESHOW

This presentation gives a quick overview of 20 thousand years of human population history. From the beginnings of agriculture all the way to the industrial revolution, the number of people increased slowly. Then the population started to grow rapidly because more children survived to become parents. Today, most women have fewer children and therefore the UN experts predict the fast growth will slow down in the second half of this century, somewhere around 11 billion people.

DATA SOURCES

Biraben 1980; McEvedy & Jones 1978; UN World Pop. Prosp. 2012; combined by Gapminder.

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