Expect for a few very crowded megacities, Americans have a lot more physical space to expand into. Hence the huge lots and homes. Western Europe is a lot more c

Expect for a few very crowded megacities, Americans have a lot more physical space to expand into. Hence the huge lots and homes. Western Europe is a lot more crowded, with the extremes (like SE England) comparable to Bangladesh in population density. The American excess of space has some negatives, too, like endless sprawl and long commutes.