Upper houses
| States |
|---|
| Algeria |
| Germany |
| Antigua and Barbuda |
| Argentina |
| Australia |
| Austria |
| Bahamas |
| Bahrain |
| Barbados |
| Belize |
| Bhutan |
| Bolivia |
| Botswana |
| Brazil |
| Cambodia |
| Chile |
| Colombia |
| Congo |
| Ivory Coast |
| Spain |
| United States of America |
| Ethiopia |
| France |
| Gabon |
| Grenada |
| Italy |
| Jamaica |
| Japan |
| Jordan |
| Liberia |
| Malaysia |
| Morocco |
| Mexico |
| Myanmar |
| Namibia |
| Nepal |
| Nigeria |
| Oman |
| Uzbekistan |
| Palau |
| Netherlands |
| Poland |
| Qatar |
| Democratic Republic of the Congo |
| Dominican Republic |
| Czech Republic |
| Romania |
| United Kingdom |
| Russia |
| St. Lucia |
| Slovenia |
| Sudan |
| Tadjikistan |
| Thailand |
| Trinidad and Tobago |
| Uruguay |
| Yemen |
| Zimbabwe |
| 1 to 40 (59) |