United Kingdom Parliament
Composed of the House of Commons, elected by single-member plurality for a period of not more than five years, and the appointed (and for a few members inherited) House of Lords.

Irish Parliament
Also knowns as the Houses of the Oireachtas; composed of Dáil Éireann (House of Deputies) and Seanad Éireann (Senate).

Denmark - Folketinget
Danish parliament of 179 members elected by a variant of an additional member system.

Norwegian Parliament
The Stortinget of 165 members, of which 157 are from constituencies and 8 are additional members.

Austrian Parliament
Österreichisches Parlament, consisting of the Nationalrat (National Council) and the Bundesrat (Federal Council).

Belgium Federal Parliament
Senate and Chamber of Representatives.

Australia - Parliament of Australia
Consisting of the House of Representatives and the Senate.

Netherlands - Eerste Kamer
Senate of 75 members, elected by the members of the twelve Provincial Councils.

Liechtenstein - Diet
Unicameral body elected by proportional representation, with ten members from the Lower Country electoral district and fifteen from the Upper Country.

Malta - House of Representatives
Unicameral elected body.

Romania - Chamber of Deputies
Containing 341 members elected using a proportional list system.

Poland - Sejm
Main chamber of the parliament.

Poland - Senate
Chamber of the parliament.

India - Parliament of India
Composed of the Rajya Sabha (Council of States) and the Lok Sabha (House of the People).

India - Rajya Sabha
The Council of States elected by the states' assemblies.

New Zealand - House of Representatives
Elected from 62 General and 7 Maori constituencies, with additional members for proportionality.

Bulgaria - National Assembly of the Republic of Bulgaria
Elected for a four-year term and consisting of 240 members.

Georgia
Parliament.

Spain - Senate
House of territorial representation of the Cortes Generales, with most provinces electing four senators.

Jersey - The States of Jersey
Originally composed of the three estates, the Jurats (justices), the Connétables (the heads of the parishes) and the Rectors (from the churches).

Italy - Chamber of Deputies
The Camera dei deputati, with content in English, French and Italian.

Micronesia - Congress of the Federated States of Micronesia
Unicameral national legislature consisting of 14 Senators, one from each of the States of Kosrae, Pohnpei, Chuuk, and Yap for a four-year term, and ten Members for two years.

Viet Nam - National Assembly of the Socialist Republic of Viet Nam
With details of the constitutional status of the Quoc Hoi.

Barbados - Parliament of Barbados
Composed of the 28-member House of Assembly, elected by the first-past-the-post system, and the 21-member appointed Senate.

Isle of Man - Manx Parliament
The Tynwald, dating back to the eighth century, and composed of the House of Keys and the Legislative Council.

Netherlands - House of Representatives of the States General
Tweede Kamer der Staten-Generaal, elected by proportional representation.

Portugal
Assembly of the Republic (Assembleia da República).

France - National Assembly
Consists of 577 deputies, each of whom is elected in a constituency either with an absolute majority of votes (more than half the votes) at the first ballot or a relative majority (the largest number of votes) at the second ballot.

France - Senate
Upper house of the French parliament.

South Korea - National Assembly of the Republic of South Korea
Composed of not fewer than 200 members, elected for four years.

Albanian Parliament
Single-chamber parliament elected for four years under additional-member system.

Armenia - National Assembly of the Republic of Armenia
Site lists the members of various committees, with more information in Armenian.

Canada - Parliament of Canada
Composed of the Queen, represented by the Governor General, the appointed Senate, and the elected House of Commons.

Cyprus - House of Representatives
Composed of 80 members, 56 elected by the Greek community and 24 by the Turkish community.

Czech Republic - Chamber of Deputies
Site has lists of commitees, commissions and delegations, and more in Czech.

Czech Republic - Senate
Eighty-one member elected body.

Estonia - Riigikogu
The Parliament of the Republic of Estonia, elected by proportional representation with a 5% cutoff.

European Union - European Parliament
Single-chamber body elected by several overlapping systems. Site has content in all EU languages.

Faroe Islands - Føroya Løgting
Single-chamber elected from seven constituencies, with powers under Denmark's Home Rule Act 1948.

Fiji - Parliament of the Fiji Islands
Consisting of the Senate and House of Representatives.

Finland - Suomen Eduskunta
The Parliament of Finland, a unicameral body of 200 members elected on a proportional basis.

Germany - Bundesrat
The Federal Council is the Chamber of the Länder, the federal states, such that only one member votes on behalf of each state, casting all the state's votes.

Germany - Bundestag
The Federal Diet, composed of at least 598 Members, of whom 299 are elected in the constituencies and a further 299 via a list-based additional member system with a 5% cutoff.

Greece - Hellenic Parliament
Includes a history of the constitution.

Hong Kong Legislative Council
Consisting of 60 Members, with 24 Members elected from geographical constituencies, 30 Members by functional constituencies, and 6 Members by an Election Committee comprising 800 elected representatives of the community.

Hungary - Parliament of the Republic of Hungary
Also known as the National Assembly (Az ország háza).

Iceland - Alþingi
The Icelandic parliament dates back to 930AD, now having 63 members from eight constituencies.

Japan - House of Councillors
The Sangiin, the upper house of the National Diet.

Japan - House of Representatives
The Shugiin, the Lower house of the National Diet.

Latvia - Saeima
Unicameral parliament of 100 members elected by proportional representation.

Lithuania - Seimas
Composed of 141 members elected for a four-year term.

Romania - Senate
One hundred and forty-three member body elected using a proportional list system. With more content in Romanian.

Slovenia - Drzavni zbor
The National Assembly, with more detail in Slovenian.

Sweden - Riksdag
Unicameral body containing 349 members from 29 different constituencies.

Switzerland - Parliament
Bicameral system consisting of 200-member National Council and 46-member Council of States.

Turkey - Grand National Assembly
Five-hundred-and-fifty-member body elected for a five-year period.

Thailand - House of Representatives
Composed of 500 members, 400 elected from constituencies and 100 from party lists.

Thailand - Senate
With lists of committee members and more information in Thai.

Spain - Congress
Primary chamber of the Cortes Generales elected by a proportional system.

Malagasy National Assembly
Chamber of 138 members. Site mostly in French.

South Africa - Parliament of South Africa
Composed of the National Assembly and the National Council of Provinces.

Uganda - Parliament of Uganda
Includes history and constitution.

Singapore - Parliament of the Republic of Singapore
Elected from multi-member constituencies, with some additional members. Pending bills, publications, member directory, and educational resources available.