It is an older nation and has been developing for more years. There are more people per square mile.
The UK is approximately the size of Michigan or Oregon, but it's population is 64.5 million.
Concentrated by area constraint
I simply anticipated our population percentage to be more than our GDP percentage.
The United Kingdom is very small.
U.S. has many wide open plains devoid of residents.
Smaller km2 lots of people.
BECAUSE I KNEW IT :))))
it's better duhhhh lol
Simple fact.
Alaska, Texas, and most of the central/southern areas are void of population.
Because of all the immigration and focus on urban dwellings.