 | Anguilla | Unicameral | House of Assembly (13) |
 | Antigua and Barbuda | Bicameral | House of Representatives (19), Senate (17) |
 | Bahamas | Bicameral | House of Assembly (39), Senate (16) |
 | Barbados | Bicameral | House of Assembly (30), Senate (21) |
 | Belize | Bicameral | House of Representatives (31), Senate (12) |
 | Bermuda | Bicameral | House of Assembly (36), Senate (11) |
 | British Virgin Islands | Unicameral | House of Assembly (15) |
 | Cayman Islands | Unicameral | Parliament (21 Members) |
 | Dominica | Unicameral | House of Assembly (32) |
 | Grenada | Bicameral | House of Representatives (15), Senate (13) |
 | Guyana | Unicameral | National Assembly (65) |
 | Jamaica | Bicameral | House of Representatives (63), Senate (21) |
 | Montserrat | Unicameral | Legislative Assembly (12) |
 | Nevis | Unicameral | Legislative Assembly (8) |
 | Saint Lucia | Bicameral | House of Assembly (17), Senate (11) |
 | St Kitts and Nevis | Unicameral | National Assembly (15) |
 | St Vincent | Unicameral | House of Assembly (23) |
 | Trinidad and Tobago | Bicameral | House of Representatives (41), Senate (31) |
 | Turks and Caicos Islands | Unicameral | House of Assembly (21) |