In a parliamentary system, by contrast, the legislature holds supreme power. The prime minister is chosen by members of the legislature (Parliament) from among their own number and in practice is the leader of the majority party in the legislature.
There are 435 Representatives in the House of Representatives. The number of members in the House of Representatives is a different story and is based on population.
There are 535 members of the U.S. Congress. Congress is  bicameral -- the Senate and the House of Representatives. The  Senate has 100 voting members and the House of Repres â¦ entatives has  435 members.here are 535 members of the U.S. Congress. Congress is  bicameral -- the Senate and the House of Representatives. The  Senate has 100 voting members and the House of Repres â¦ entatives has  435 members.