Presidential Executive United States of America	Parliamentary Executive Great Britain
Direct election via electoral college	Chosen by majority party in parliament
Separation of Powers	Fusion of Power
Cabinet non-elected	Cabinet elected MPs
Presidential powers limited by a written Constitution	P.M. powers subject to interpretation of common law and traditions
Cannot be removed by Congress except in impeachment	Can be removed by a vote of no confidence in Parliament
Cannot dissolve Congress	Can dissolve parliament and call for fresh elections
Subject to investigation by Congress	Responds to direct inquiry by MPs
Share policy-making powers with Congress	Strong control over policy
Single executive	Dual executive
Limited term of office	Indefinite term in office
Less disciplined political parties	Very disciplined political parties