[1] Bicameralism in Lesotho is specifically modeled after the Westminster system of the United Kingdom,[2] having an upper house weaker than the lower.

[3] As such, the Senate holds less power than the National Assembly; it cannot initiate legislation, it does not appoint the Prime Minister, and it does not participate in motions of confidence.

The Senate's consent is required to amend certain clauses of the constitution, and for a bill to become law, it must be passed by both chambers of Parliament.

22 are hereditary tribal chiefs who perform executive functions for their respective communities and 11 are nominated by the King on the Prime Minister's advice and generally align with the King in their legislative behavior.

Senators may not serve simultaneously as members of the National Assembly.