The chart above shows the regional economies of the European Union.  The largest regional economy, Western Europe completely dominates the EU's economy.

The chart above shows the regional economies of the United States.  The largest regional economy, the South, includes 14 states.

The chart above shows the state and city economies of both the European Union and the United States with GDPs over $250 billion.  The EU has the largest state economy but the US has the largest city economy.  Below, the remaining states and metropolitan areas that are amongst the 300 largest metropolitan economies in the world with GDPs under $250 billion.

The chart above shows the state and city economies of the United States with GDPs over $100 billion.  The largest metropolitan economy, New York City, would rank fourth if it were a state.  Below, the remaining states and metropolitan areas that are amongst the 300 largest metropolitan economies in the world with GDPs under $100 billion.

The chart above shows the state and city economies of the European Union.  The largest metropolitan economy, London, would rank seventh if it were a state.  The list only includes the metropolitan areas that are amongst the 300 largest metropolitan economies in the world.

The chart above shows the state economies of the EU and US.  The European Union has the three largest economies as well as the three smallest.  Quite a feat considering there are nearly half as many EU states as there are in the US.

The chart above shows the state economies of US states.  California dwarfs nearly every other state, and with the exception of Texas and New York, California's GDP is more than double of any of the largest state economies.

The chart above shows the largest national economies in the EU.  Clearly, Western Europe dominates the EU with the top three economies all coming from the region and claiming four of the top six largest economies.

The chart above shows the largest metropolitan economies in the EU and the US that happen to also be among the world's largest 300 metropolitan economies based on the Brookings Institution and have a GDP of over $75 billion.  Below, the chart with the cities in the EU and the US among the world's 300 largest with a GDP of $75 billion or less.

The chart above shows the largest metropolitan economies in the United States that happen to also be among the world's largest 300 metropolitan economies based on the Brookings Institution.  Each region of the US has a city in the top four.