Meredith Reba, Femke Reitsma and Karen C. Seto compiled a dataset of urban settlements between 3700 BC and AD 2000. It’s the first of its kind, and while not comprehensive, it does provide a view into growth around the world. Max Galka put together the straightforward map above to display the data.
Growth of cities, going back 6,000 years
Life expectancy changes
The data goes back to 1960 and up to the most current estimates for 2009. Each line represents a country.
Shifting Incomes for American Jobs
For various occupations, the difference between the person who makes the most and the one who makes the least can be significant.