Members of Congress

The following is a list of the Senators and Representatives of the 112th Congress, as of January 5, 2011. If you see any discrepancies, please let me know.

In the "Party" column, the following abbreviations are used:

• D = Democratic
• R = Republican
• I = Independent
• - = Vacant
• NV = Non-Voting - several U.S. territories have non-voting members in Congress

You can also see the primary members of the Executive and Judicial branches on the Government Topic Page.

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Total voting members: 434
1 Vacant
6 Non-voting

Party break-down:
193 Democratic
241 Republican
0 Independent

Majority break-down:*
One-fifth: 87
Simple: 218
Two-thirds: 290

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Total voting members: 100

Party break-down:
51 Democratic
47 Republican
2 Independent

Majority break-down:*
One-fifth: 20
Simple: 51
Three-fifths: 60
Two-thirds: 67

Class break-down:
Class 1: 33
Class 2: 33
Class 3: 34

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• D = Democratic
• R = Republican
• O = Other Party
• V = Vacant

Majority Explanation:

A simple majority is any value in excess of 50%. In the House, a tie vote fails. In the Senate, a tie vote may be broken by the Vice President. A simple majority is also required for a quorum.

A one-fifth vote is required for any vote to be recorded as "yeas" and "nays" in the journals of each house.

A two-thirds vote is required to pass a constitutional amendment. A two-thirds vote is required to overturn a presidential veto. In the Senate, a two-thirds vote is also required to convict on an impeachment.

In the Senate, a three-fifths vote is required to force an end to a filibuster.

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