The US House of Representatives has how many voting members?

The United States House of Representatives is comprised of 435 voting members. This number is established by law and has been the standard since the Permanent Apportionment Act of 1929. The composition of the House is designed to ensure that representation in Congress reflects the population of the states, with the number of representatives for each state determined based on its population relative to the others.

This total of 435 members allows for a balance of representation while maintaining effective governance within the legislative process. The other options are not accurate representations of the number of voting members in the House, with 100 referring to the total Senate membership, 535 being the combined total of both houses of Congress (House and Senate), and 400 simply being an arbitrary number not related to the actual composition of the House.