The World Reshaped

November 20, 2014 • Daily Email Recap

The World Reshaped

See original/source content: http://www.economist.com/news/21631911-end-population-pyramid-world-reshaped

In 2015 demographers, teachers and politicians will stop talking about the population pyramid and start referring to the population dome. The change in terminology will reflect a profound shift in the shape and structure of societies-a shift that has been going on for 50 years and is only half complete.

The pyramid is a traditional way of visualising and explaining the age structure of a society. If you draw a chart with each age group represented by a bar, and each bar ranged one above the other-youngest at the bottom, oldest at the top, and with the sexes separated-you get a simple shape. In 1970 that shape was a pyramid because the largest segment of the global population was the youngest (0-5 years old, comprising 14% of the total), followed by the next-youngest (6-10, with 13%), and so on in regular increments until, above 85 years, there were so few people that the shape vanished into a point…

See original/source content: http://www.economist.com/news/21631911-end-population-pyramid-world-reshaped


Current World Population

7,712,159,441

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