* The unicameral Jatiya Sangsad is the supreme legislative body of Bangladesh.
* It is composed of 350 members, of whom 300 are directly elected from single-member constituencies and 50 are reserved for women.
* The Jatiya Sangsad is elected for a five-year term.
* The Prime Minister is the head of government and is appointed by the President, who is the head of state.
* The President is elected by the Jatiya Sangsad for a five-year term.
United Kingdom
* The bicameral Parliament of the United Kingdom is the supreme legislative body of the United Kingdom.
* The House of Commons is the lower house of Parliament and is composed of 650 members, who are directly elected from single-member constituencies.
* The House of Lords is the upper house of Parliament and is composed of 800 members, who are appointed by the Queen on the advice of the Prime Minister.
* The Parliament of the United Kingdom is elected for a five-year term.
* The Prime Minister is the head of government and is appointed by the Queen.
* The Queen is the head of state.
United States
* The bicameral United States Congress is the supreme legislative body of the United States.
* The House of Representatives is the lower house of Congress and is composed of 435 members, who are directly elected from single-member constituencies.
* The Senate is the upper house of Congress and is composed of 100 members, who are directly elected from each state.
* The United States Congress is elected for a two-year term.
* The President is the head of government and is elected by the Electoral College, which is composed of electors from each state.
* The President is elected for a four-year term.
Similarities
* All three countries have a bicameral legislature, composed of an elected lower house and an appointed or elected upper house.
* All three countries have a head of government who is elected by the legislature and a head of state who is either appointed or elected.
* All three countries have a written constitution that defines the powers and responsibilities of the legislature, executive, and judiciary.
Dissimilarities
* The Jatiya Sangsad of Bangladesh is unicameral, while the Parliament of the United Kingdom and the United States Congress are bicameral.
* The Prime Minister of Bangladesh is appointed by the President, while the Prime Minister of the United Kingdom and the President of the United States are elected by the legislature or the Electoral College, respectively.
* The Queen of the United Kingdom is the head of state, while the President of Bangladesh and the President of the United States are both head of government and head of state.
* The United States Congress is elected for a two-year term, while the Jatiya Sangsad of Bangladesh and the Parliament of the United Kingdom are elected for a five-year term.
