The map above shows the number of airports that serve at least 15,000 passengers per year for every 10,000 square kilometers in each EU state.  Malta has the most busy airports per square kilometer.

The chart above shows the number of airports that have at least 15,000 annual passengers for every million inhabitants in EU and US states.  In both the EU and the US, large states with small populations have more airports per capita.

The map above shows the number of airports that serve at least 15,000 passengers per year for every million residents in each US state.  Alaska has the most airports per capita by a large margin.

The map above shows the number of airports that serve at least 15,000 passengers per year for every million residents in each EU state.  Sweden has the most busy airports per capita.

The chart above shows the number of airports that have at least 15,000 annual passengers for every million international tourists each EU or US state receives.  At first glance it seems as if US states have far too many airports for the number of international tourists they receive.  However, US data does not include interstate tourists whereas EU data does, so this is not really a fair comparison.  Still, there are EU states that still manage to surpass US states in this metric.

The map above shows the number of airports that serve at least 15,000 passengers per year for every million international tourists each US state receives.  Alaska has the most airports for every million international tourists by a large margin.

The map above shows the number of airports that serve at least 15,000 passengers per year for every million international tourists each EU state receives.  Romania has the most airports for every million tourists.

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 map above shows the number of airports in each US state that serve at least 15,000 passengers per year.  Texas leads all other US states and beats California by a slim margin.

The map above shows the number of airports in each EU state that serve at least 15,000 passengers per year.  France leads all other EU states by a large margin, even ones with a similar geography to hers.