Parliamentary system
| Diffuse Control and Parliamentary System |
|---|
| Antigua and Barbuda |
| Australia |
| Bahamas |
| Bangladesh |
| Barbados |
| Belize |
| Bhutan |
| Botswana |
| Canada |
| Denmark |
| Dominica |
| Estonia |
| Fiji |
| Grenade |
| India |
| Iraq |
| Israel |
| Jamaica |
| Japan |
| Kiribati |
| Lesotho |
| Malaysia |
| Malta |
| Nauru |
| Norway |
| New Zealand |
| Papua New Guinea |
| Saint Kitts and Nevis |
| St. Vincent and the Grenadines |
| St. Lucia |
| Solomon Islands |
| Samoa |
| Singapore |
| Sweden |
| Trinidad and Tobago |
| Tuvalu |
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