The U.S. House of Representatives has one voting member (435 in total) for every 747,000 or so Americans. That's by far the highest ratio of population to representatives of any industrialized democracy, and the highest it's ever been in U.S. history.

The U.S. House of Representatives has one voting member for every 747,000 or so Americans. That’s by far the highest population-to-representative ratio among a peer group of industrialized democracies, and the highest it’s been in U.S. history.