Not many people ride the train anymore, but a lot of inventory is still moved via freight. It turns out that 90 percent of that freight market belongs to just four companies in the country, and since deregulation in the 1980s, the number of total railroads has gone down from 50 to just 7. Nicolas Rapp, graphics director at Fortune Magazine, explains. The railroad coverage maps are interesting, too.
Freight railroad mergers
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.
Life expectancy changes
The data goes back to 1960 and up to the most current estimates for 2009. Each line represents a country.
Visualizing the Uncertainty in Data
Data is an abstraction, and it’s impossible to encapsulate everything it represents in real life. So there is uncertainty. Here are ways to visualize the uncertainty.