- This map was made using 2013 data from a U.S. Conference of Mayors
report, prepared by IHS Global Insight.
- Here is my data in spreadsheet format.
- Each colored area has approximately the same gross domestic product
(GDP), about $4.05 trillion.
- This map addresses criticism of my previous one that I had taken
artistic liberties in swapping around cities and states, making the
methodology inconsistent. This map no longer arbitrarily swaps any
areas, instead simply ranking the metropolitan areas in order by their
- The top 6 metro areas (New York, Los Angeles, Chicago, Washington,
Houston, Dallas; in order) create a quarter of the GDP, while the top
23 metro areas are responsible for half of the country's economy.
- For the idea of further splitting the country into quarters, I
promised to credit Reddit user towerofterror.
Other maps I made: