Population Density

Industrial Revolution caused population to grow like never before in human history.
But it also reshaped, transformed the structure of the burgeoning population.

NUMBERS

1600s:European population = 100,000,000
1750:European population =   140,000,000

Europe, 1820-1940
1851:1911; English rural population migrated to city

2014:World population by colored map (7 different colors, one for each billion)
2014:More people live inside the circle on this map than live outside of it
2014:Upside-down Western Hemisphere laid over Eastern Hemisphere

STRUCTURE

1820:European population density [next]

1940:European population density [repeat] [top]

1851:1911; English rural population migrated to city [top]