Proportional symbols can be added to graphs to show information about different places. The graph below plots life expectancy against income for each country. It also shows population size. Each ...

It is also possible to have a conversion graph to switch between units that are not directly proportional. For example, temperature can be measured in degrees Centigrade (°C) and degrees Fahrenheit ...

Job growth has been strong and steady over the past year. Wages, not so much: Average pay for U.S. workers barely kept up with inflation. But there was a fair bit of variation across different sectors ...