Monosystems of common law
| Common Law Monosystems |
|---|
| Antigua and Barbuda |
| Australia |
| Bahamas |
| Barbados |
| Belize |
| Canada (except Québec) |
| Dominica |
| United States of America |
| Fiji |
| Grenada |
| Ireland |
| Jamaica |
| Kiribati |
| Nauru |
| New Zealand |
| Palau |
| Saint Kitts and Nevis |
| St. Vincent and the Grenadines |
| Tonga |
| Trinidad-et-Tobago |
| Tuvalu |
| 1 to 20 (22) |