Difference Between Unicameral Legislature and Bicameral Legislature

Main Difference

Both are the legislature systems that possess notable differences, the prefixes added in beginning would be making things quite clear as ‘uni’ refers to one and ‘bi’ means two. On the other hand, cameral is the term relating legislative or judicial chamber. Deriving from it, Unicameral Legislature only consist up of a single chamber or house where all the law making decisions are being carried, whereas Bicameral legislature have two chambers or houses as even one passes the law, the other can review, revise or amend the law. In unicameral legislature there is no upper house, and the only one house or chamber making decisions has the final call, on the other hand, in bicameral legislature the upper house is there beside the one legislative chamber and to get a decision finally implemented upper house’s agreement is compulsory.

Comparison Chart

Unicameral LegislatureBicameral Legislature
Number of chambers or housesUnicameral Legislature only consist up of a single chamber or house where all the law making decisions are being carried.Bicameral legislature have two chambers or houses
AuthorityDecisions are made and when approved from the house they became law.The decisions made by the lower house in bicameral legislature are reviewed by the upper house and they have authority to approve, revise, improve or even amend the decision.
Time EfficientIn Unicameral laws pass more efficiently as the single house or chamber has to make the decision.In bicameral it may take long as in this the other legislature chamber reviews the decision with different perspectives while approving.
ExamplesCosta Rica, Portugal, Hungary, Iceland, Sweden and SloveniaFrance, Italy, Canada, United States and United Kingdom
Number of legislatorsLessMore

What is Unicameral Legislature?

In Unicameral Legislature system only one house or chamber is there, and all of the law-making process happens there. The legislators inside their have the sole power to pass a bill or law with getting majority of the house or chamber on their side. There is no upper house (other legislature chamber) in the unicameral, the only chamber it has is generally referred as lower house or parliament. Around half of the sovereign states have unicameral model. Namely the countries like Costa Rica, Portugal, Hungary, Iceland, Sweden and Slovenia have the unicameral legislature. Talking about pros of the unicameral legislature, time efficient decisions is the most prominent as in it green signal from the other house or chamber is not required, what the house decides collectively gets approved.

What is Bicameral Legislature?

In Bicameral Legislature system two house or chamber are there as one pulls of the decision, and the other one reviews the decision and can approve, revise, improve or amend the decision. This chamber with greater dignity in bicameral legislature is called upper house. In Bicameral Legislature system two house or chamber are there as one pulls of the decision, and the other one reviews the decision and can approve, revise, improve or amend the decision. This chamber with greater dignity in bicameral legislature is called upper house. France, Italy, Canada, United States and United Kingdom are the prominent places to have bicameral system. In US there are two legislature houses or chambers, in which one of them is called Senate (upper house) and the other one is called The House of Representatives (lower house). In UK, the two houses are called Lords (upper house) and Commons (lower house).

Unicameral Legislature vs. Bicameral Legislature

  • Unicameral Legislature only consist up of a single chamber or house where all the law making decisions are being carried, whereas Bicameral legislature have two chambers or houses.
  • The decisions made by the lower house in bicameral legislature are reviewed by the upper house and they have authority to approve, revise, improve or even amend the decision.
  • Namely the countries like Costa Rica, Portugal, Hungary, Iceland, Sweden and Slovenia have the unicameral legislature, whereas France, Italy, Canada, United States and United Kingdom are the prominent places to have bicameral system.
  • In Unicameral laws pass more efficiently as the single house or chamber has to make the decision, whereas in bicameral it may take long as in this the other legislature chamber reviews the decision with different perspectives while approving.
  • In bicameral legislature we have more number of lawmakers, which means power to more people.

Comparison Video

YouTube video
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Aimie Carlson

Aimie Carlson is an English language enthusiast who loves writing and has a master degree in English literature. Follow her on Twitter at @AimieCarlson

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