The chart above shows the number of airports that have at least 15,000 annual passengers in each EU and US state.  The top six states with the greatest number of busy airports are all in Europe.

The chart above shows the total net worth of each EU and US region's billionaires.  The Western US and the Western EU are the only regions whose billionaires have a total net worth of over $1 trillion.

The chart above shows the total net worth of each EU and US state's billionaires.  California, Germany, and New York are the only states whose billionaires have a total net worth of over $500 billion.

The chart above shows the number of billionaires per 100,000 square miles (258,999 square kilometers) in each EU and US region.  The Northeastern US has nearly double the number of billionaires of the next best region and is the only region with more than five billionaires for every 10,000 square miles (25,900 square kilometers).

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 chart above shows the number of billionaires per 100,000 people in each EU and US region.  Half the regions in the EU and the US have more than one billionaire for every million residents.

The chart above shows the number of billionaires per 100,000 people in each EU and US state.  Wyoming is the only state to have more than one billionaire for every 100,000 residents.

The chart above shows the number of billionaires in each EU and US region.  Only the Western EU and the Western US have over 200 billionaires.

The chart above shows the number of billionaires in each EU and US state.  California, Germany, and New York are the only states to have more than 100 billionaires.

The chart above shows the number of tourists per square mile that visited each EU and US state in 2012.  Malta has over ten times the tourist density of the next highest state.