The chart above shows the number of billionaires per 100,000 square miles (258,999 square kilometers) in each EU and US state. Connecticut is the only state where there are more than three billionaires for every 1,000 square miles (2,590 square kilometers).
- The difference between the state with the highest billionaire density, Connecticut, and the state with the lowest (that has billionaires), Romania, is 305.58 billionaires per 100,000 square miles.
- Connecticut has 282.27 times the billionaires per area that Romania does.
- Bulgaria, Croatia, Estonia, Latvia, Lithuania, Luxembourg, Malta, and Slovenia do not have a single billionaire in the EU.
- Alabama, Alaska, Delaware, Louisiana, Mississippi, New Mexico, North Dakota, and Vermont do not have a single billionaire in the US.
- Data is from 2018.
- Rates are rounded to the nearest hundredth.
There are six states with more than one billionaire for every 1,000 square miles (only one of which is from the EU): Connecticut, New York, Cyprus, Massachusetts, Rhode Island, and New Jersey. Thirty-three states have more than one billionaire for every 10,000 square miles (25,900 square kilometers). Twenty of these are US states and thirteen are from the EU. US states take up eight of the top ten spots.
New York is the only state to rank in the top five in total billionaires, billionaires per capita, and billionaire density. California, Florida, and New York are the only three states to rank in the top ten in all three metrics. Connecticut, which ranks first in this metric, ranks 12th in total billionaires and fourth in billionaires per capita. Wyoming, which ranks first in per capita billionaires, ranks 29th in total billionaires and 42nd in this metric. California, which ranks first in total billionaires, ranks eighth in this metric and seventh in per capita billionaires.
Forbes. 2018. "The World's Billionaires List." Accessed October 2, 2018. https://www.forbes.com/billionaires/list/21/#version:static.
United Nations. 2007. "United Nations Statistics Division - Environment Statistics." Accessed January 23, 2018. https://unstats.un.org/unsd/environment/totalarea.htm.
United States Census Bureau. September 2012. "United States Summary: 2010: Population and Housing Unit Counts." Accessed January 23, 2018. https://www.census.gov/prod/cen2010/cph-2-1.pdf.