| 1. | United Kingdom Parliament | | | period of not more than five years, and the appointed (and for a few members inherited) House of Lords. www.parliament.uk |
| 2. | Denmark - Folketinget | | | Danish parliament of 179 members elected by a variant of an additional member system. www.folketinget.dk |
| 3. | Norwegian Parliament | | | The Stortinget of 165 members, of which 157 are from constituencies and 8 are additional members. www.stortinget.no |
| 4. | Austrian Parliament | | | Österreichisches Parlament, consisting of the Nationalrat (National Council) and the Bundesrat (Federal Council). www.parlinkom.gv.at |
| 12. | India - Parliament of India | | | Composed of the Rajya Sabha (Council of States) and the Lok Sabha (House of the People). ParliamentofIndia.nic.in |
| 13. | India - Rajya Sabha | | | The Council of States elected by the states' assemblies. rajyasabha.nic.in |
| 16. | Georgia | | | Parliament. www.parliament.ge |
| 17. | Spain - Senate | | | House of territorial representation of the Cortes Generales, with most provinces electing four senators. www.senado.es |
| 18. | 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). www.statesassembly.gov.je |
| 22. | 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. www.parliamentbarbados.gov.bb |
| 23. | Isle of Man - Manx Parliament | | | The Tynwald, dating back to the eighth century, and composed of the House of Keys and the Legislative Council. www.tynwald.org.im |
| 24. | Portugal | | | Assembly of the Republic (Assembleia da República). www.parlamento.pt |
| 25. | 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. www.assemblee-nationale.fr |
| 28. | Albanian Parliament | | | Single-chamber parliament elected for four years under additional-member system. www.parlament.al |
| 30. | Canada - Parliament of Canada | | | Composed of the Queen, represented by the Governor General, the appointed Senate, and the elected House of Commons. www.parl.gc.ca |
| 34. | Estonia - Riigikogu | | | The Parliament of the Republic of Estonia, elected by proportional representation with a 5% cutoff. www.riigikogu.ee |
| 37. | Finland - Suomen Eduskunta | | | The Parliament of Finland, a unicameral body of 200 members elected on a proportional basis. www.eduskunta.fI |
| 38. | 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. www.bundestag.de |
| 40. | 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. www.legco.gov.hk |
| 42. | Iceland - Alþingi | | | The Icelandic parliament dates back to 930AD, now having 63 members from eight constituencies. www.althingi.is |
| 44. | Latvia - Saeima | | | Unicameral parliament of 100 members elected by proportional representation. www.saeima.lv |
| 47. | Sweden - Riksdag | | | Unicameral body containing 349 members from 29 different constituencies. www.riksdagen.se |
| 48. | Switzerland - Parliament | | | Bicameral system consisting of 200-member National Council and 46-member Council of States. www.parliament.ch |
| 51. | Thailand - Senate | | | With lists of committee members and more information in Thai. www.senate.go.th |
| 52. | Spain - Congress | | | Primary chamber of the Cortes Generales elected by a proportional system. www.congreso.es |
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