Bicameralism is a type of legislature, one divided into two separate assemblies, chambers, or houses, known as a bicameral legislature.Bicameralism is distinguished from unicameralism, in which all members deliberate and vote as a single group.As of 2015, about 40% of world's national legislatures are bicameral, and about 60% are unicameral.. Often, the members of the …

Unicameralism (from uni- "one" + Latin camera "chamber") is a type of legislature, which consists of one house or assembly, that legislates and votes as one.. Unicameral legislatures exist when there is no widely perceived need for multicameralism (two or more chambers). Many multicameral legislatures were created to give separate voices to different sectors of society.