In 2023, the nominal GDP of the USA was $27,720.7 billion. Over 50% of this came from 24 metropolitan areas, marked in red on the map. The remaining areas contributed less than 50%. One key reason for this is the high population density in these metro areas, which are home to 41% of the U.S. population.
In that year, the US accounted for 26.3% of the world's GDP. Consequently, these 24 metro areas contributed 13.2% to global GDP, despite being home to only 1.7% of the world's population.
