| a |
Head of State is the Head of Government |
| b |
Directly elected in general elections (simple majority) |
| c |
Directly elected in general elections (absolute majority with 2nd round if necessary) |
| d |
Indirectly elected by legislature |
| e |
Elected by electoral college or committee |
| f |
Inherited monarchy with a Governor appointed by the Monarch |
| g |
Inherited monarchy |
| h |
Other |
| i |
No information available |
| j |
Not applicable |
| |
Not included in research |
| |
Several applicable answers |