 



  Afghanistan  majoritarian  single nontransferable vote 
  Albania  proportional representation (PR)  list proportional representation 
  Algeria  proportional representation (PR)  list proportional representation 
  Andorra  combined  parallel systems 
  Angola  proportional representation (PR)  list proportional representation 
  Antigua and Barbuda  majoritarian  first past the post 
  Argentina  proportional representation (PR)  list proportional representation 
  Armenia  combined  parallel systems 
  Australia  majoritarian  alternative vote 
  Austria  proportional representation (PR)  list proportional representation 
  Azerbaijan  majoritarian  first past the post 
  Bahamas  majoritarian  first past the post 
  Bahrain  majoritarian  two round system 
  Bangladesh  majoritarian  first past the post 
  Barbados  majoritarian  first past the post 
  Belarus  majoritarian  two round system 
  Belgium  proportional representation (PR)  list proportional representation 
  Belize  majoritarian  first past the post 
  Benin  proportional representation (PR)  list proportional representation 
  Bhutan  majoritarian  two round system 
  Bolivia  combined  mixed member proportional system 
  Bosnia and Herzegovina  proportional representation (PR)  list proportional representation 
  Botswana  majoritarian  first past the post 
  Brazil  proportional representation (PR)  list proportional representation 
  Brunei  no elections  no free elections 
  Bulgaria  proportional representation (PR)  list proportional representation 
  Burkina Faso  proportional representation (PR)  list proportional representation 
  Burundi  proportional representation (PR)  list proportional representation 
  Côte D'ivoire  Array  party bloc vote 
  Cambodia  proportional representation (PR)  list proportional representation 
  Cameroon  majoritarian  party bloc vote 
  Canada  majoritarian  first past the post 
  Cape Verde  proportional representation (PR)  list proportional representation 
  Central African Republic  majoritarian  two round system 
  Chad  Array  party bloc vote 
  Chile  proportional representation (PR)  list proportional representation 
  China: Taiwan  combined  parallel systems 
  Colombia  proportional representation (PR)  list proportional representation 
  Comoros  majoritarian  two round system 
  Costa Rica  proportional representation (PR)  list proportional representation 
  Croatia  proportional representation (PR)  list proportional representation 
  Cuba  majoritarian  two round system 
  Czech Republic  proportional representation (PR)  list proportional representation 
  Democratic People's Republic of Korea  not rated  Array 
  Democratic Republic of the Congo  combined  Array 
  Denmark  proportional representation (PR)  list proportional representation 
  Djibouti  combined  Array 
  Dominica  majoritarian  first past the post 
  Dominican Republic  proportional representation (PR)  list proportional representation 
  Ecuador  proportional representation (PR)  list proportional representation 
  Egypt  combined  parallel systems 
  El Salvador  proportional representation (PR)  list proportional representation 
  Equatorial Guinea  proportional representation (PR)  list proportional representation 
  Eritrea  majoritarian  first past the post 
  Estonia  proportional representation (PR)  list proportional representation 
  Ethiopia  majoritarian  first past the post 
  Federated States of Micronesia  majoritarian  first past the post 
  Fiji  Array  Array 
  Finland  proportional representation (PR)  list proportional representation 
  France  majoritarian  two round system 
  Gabon  majoritarian  two round system 
  Gambia  majoritarian  first past the post 
  Georgia  combined  parallel systems 
  Germany  combined  mixed member proportional system 
  Ghana  majoritarian  first past the post 
  Greece  proportional representation (PR)  list proportional representation 
  Grenada  majoritarian  first past the post 
  Guatemala  proportional representation (PR)  list proportional representation 
  Guinea  combined  parallel systems 
  GuineaBissau  proportional representation (PR)  list proportional representation 
  Guyana  proportional representation (PR)  list proportional representation 
  Haiti  majoritarian  two round system 
  Honduras  proportional representation (PR)  list proportional representation 
  Hungary  combined  mixed member proportional system 
  Iceland  proportional representation (PR)  list proportional representation 
  India  majoritarian  first past the post 
  Indonesia  proportional representation (PR)  list proportional representation 
  Iran  majoritarian  two round system 
  Iraq  proportional representation (PR)  list proportional representation 
  Ireland  proportional representation (PR)  single transferable vote 
  Israel  proportional representation (PR)  list proportional representation 
  Italy  proportional representation (PR)  list proportional representation 
  Jamaica  majoritarian  first past the post 
  Japan  combined  parallel systems 
  Jordan  Array  Array 
  Kazakhstan  proportional representation (PR)  list proportional representation 
  Kenya  majoritarian  first past the post 
  Kiribati  majoritarian  two round system 
  Kosovo  proportional representation (PR)  list proportional representation 
  Kuwait  majoritarian  block vote 
  Kyrgyzstan  proportional representation (PR)  list proportional representation 
  Laos  majoritarian  block vote 
  Latvia  proportional representation (PR)  list proportional representation 
  Lebanon  majoritarian  block vote 
  Lesotho  combined  mixed member proportional system 
  Liberia  majoritarian  first past the post 
  Libya  combined  parallel systems 
  Liechtenstein  proportional representation (PR)  list proportional representation 
  Lithuania  combined  parallel systems 
  Luxembourg  proportional representation (PR)  list proportional representation 
  Macedonia  proportional representation (PR)  list proportional representation 
  Madagascar  majoritarian  first past the post 
  Malawi  Array  first past the post 
  Malaysia  majoritarian  first past the post 
  Maldives  majoritarian  Array 
  Mali  majoritarian  two round system 
  Malta  proportional representation (PR)  single transferable vote 
  Marshall Islands  Array  first past the post 
  Mauritania  majoritarian  two round system 
  Mauritius  majoritarian  block vote 
  Mexico  combined  mixed member proportional system 
  Moldova  proportional representation (PR)  list proportional representation 
  Monaco  combined  parallel systems 
  Mongolia  majoritarian  Array 
  Montenegro  proportional representation (PR)  list proportional representation 
  Morocco  proportional representation (PR)  list proportional representation 
  Mozambique  proportional representation (PR)  list proportional representation 
  Myanmar (Burma)  majoritarian  first past the post 
  Namibia  proportional representation (PR)  list proportional representation 
  Nauru  majoritarian  alternative vote 
  Nepal  combined  parallel systems 
  Netherlands  proportional representation (PR)  list proportional representation 
  New Zealand  combined  mixed member proportional system 
  Nicaragua  proportional representation (PR)  list proportional representation 
  Niger  combined  list proportional representation 
  Nigeria  majoritarian  first past the post 
  Norway  proportional representation (PR)  list proportional representation 
  Oman  majoritarian  first past the post 
  Pakistan  combined  parallel systems 
  Palau  majoritarian  first past the post 
  Panama  proportional representation (PR)  list proportional representation 
  Papua New Guinea  majoritarian  alternative vote 
  Paraguay  proportional representation (PR)  list proportional representation 
  Peru  proportional representation (PR)  list proportional representation 
  Philippines  combined  parallel systems 
  Poland  proportional representation (PR)  list proportional representation 
  Portugal  proportional representation (PR)  list proportional representation 
  Qatar  not rated  not rated 
  Republic of Korea  combined  parallel systems 
  Romania  combined  mixed member proportional system 
  Russia  Array  Array 
  Rwanda  proportional representation (PR)  list proportional representation 
  São Tomé and Príncipe  proportional representation (PR)  list proportional representation 
  Samoa  majoritarian  first past the post 
  San Marino  proportional representation (PR)  list proportional representation 
  Saudi Arabia  no elections  no free elections 
  Senegal  combined  parallel systems 
  Serbia  proportional representation (PR)  list proportional representation 
  Seychelles  combined  parallel systems 
  Sierra Leone  majoritarian  first past the post 
  Singapore  majoritarian  party bloc vote 
  Slovakia  proportional representation (PR)  list proportional representation 
  Slovenia  proportional representation (PR)  list proportional representation 
  Solomon Islands  majoritarian  first past the post 
  Somalia  no elections  no free elections 
  South Africa  proportional representation (PR)  list proportional representation 
  South Sudan  not rated  not rated 
  Spain  proportional representation (PR)  list proportional representation 
  Sri Lanka  proportional representation (PR)  list proportional representation 
  St. Kitts and Nevis  majoritarian  first past the post 
  St. Lucia  majoritarian  first past the post 
  St. Vincent and the Grenadines  majoritarian  first past the post 
  Sudan  combined  parallel systems 
  Suriname  proportional representation (PR)  list proportional representation 
  Swaziland  majoritarian  first past the post 
  Sweden  proportional representation (PR)  list proportional representation 
  Switzerland  proportional representation (PR)  list proportional representation 
  Syria  majoritarian  block vote 
  Tajikistan  combined  parallel systems 
  Tanzania  majoritarian  first past the post 
  Thailand  combined  parallel systems 
  TimorLeste (East Timor)  proportional representation (PR)  list proportional representation 
  Togo  proportional representation (PR)  list proportional representation 
  Tonga  majoritarian  first past the post 
  Trinidad and Tobago  majoritarian  first past the post 
  Tunisia  proportional representation (PR)  list proportional representation 
  Turkey  proportional representation (PR)  list proportional representation 
  Turkmenistan  Array  two round system 
  Tuvalu  majoritarian  block vote 
  Uganda  majoritarian  first past the post 
  Ukraine  combined  parallel systems 
  United Arab Emirates  no elections  no free elections 
  United Kingdom  majoritarian  first past the post 
  United States  majoritarian  first past the post 
  Uruguay  proportional representation (PR)  list proportional representation 
  Uzbekistan  majoritarian  two round system 
  Vanuatu  majoritarian  single nontransferable vote 
  Venezuela  combined  mixed member proportional system 
  Vietnam  majoritarian  two round system 
  Yemen  majoritarian  first past the post 
  Zambia  majoritarian  first past the post 
  Zimbabwe  majoritarian  first past the post 