Supermajority
The European Union Council of Ministers, in order to balance the interests of small and large member states, uses a qualified majority system for its decision-making.
The United States Senate requires a supermajority of 60 percent to move to a vote through a cloture motion, which closes debate on a bill or nomination, thus ending a filibuster by a minority of members.
The United States Constitution requires a supermajority of two-thirds of both houses of Congress to propose a Congress-driven constitutional amendment; it also requires a three-fourths supermajority of state legislatures for final adoption of any constitutional amendment, as well as a two-thirds supermajority to pass a bill over the president's veto.
See also