An upper house is usually different from the lower house in at least one of the following respects (though they vary among jurisdictions):
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Parliamentary systems
In parliamentary systems the upper house is frequently seen as an advisory or a "house of review" … See more

Many jurisdictions once possessed upper houses but abolished them to adopt unicameral systems, including Croatia, Denmark See more

• Aroney, Nicholas (2008). "Four Reasons for an Upper House: Representative Democracy, Public Deliberation, Legislative Outputs and Executive Accountability" See more

There are a variety of ways an upper house's members are assembled: by direct or indirect election, appointment or a mixture of these. … See more

Common terms
• Senate — by far the most common
• Legislative Council (Indian states having upper houses; Isle of Man; and every Australian See more