The chart above shows road lengths per thousand people in EU and US regions.  With the exception of the Northeastern US, every single US region bests every single EU region in this metric.  The Northern EU is the only EU region to rank higher than a US region.

The chart above shows road lengths per thousand people in EU regions.  The Northern EU has nearly double the length of roads per person that the Eastern EU has.

The chart above shows road lengths per thousand people in US regions.  The Midwest has more than triple the length of roads per person than the Northeast has.

The chart above shows road lengths per thousand people in EU and US states.  The top ten states are all from the US with the leading EU state in this metric showing up 12th.

The chart above shows road lengths per thousand people in US states.  The Dakotas are the only two states that have over 100 miles for every thousand inhabitants in their states.  Additionally, the top 12 states all are from west of the Mississippi.

The chart above shows road lengths per thousand people in EU states.  The Baltic states dominate in this metric as they have more roads per capita than any other state in the EU.  Meanwhile the Southern EU only has one state in the top ten and that is in the tenth spot.

The chart above shows the population of EU and US states.  The European Union has both the most and least populous states amongst the two superstates.

The chart above shows the population of EU states.  The Western EU is the only region with states that have populations over 60 million people.

The chart above shows the population of US states.  California is by far the most populous state and the Western US has the most and least populous states.

The chart above shows the regional populations of the European Union and the United States.  There is a large disparity of population in European regions whereas the population differences are not all that great between American regions.