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100th United States Congress

100th United States Congress
99th ← → 101st

United States Capitol (2002)

Duration: January 3, 1987 – January 3, 1989

Senate President: George Bush (R)
Senate Pres. pro tem: John C. Stennis (D)
House Speaker: Jim Wright (D)
Members: 100 Senators
435 Representatives
5 Non-voting members
Senate Majority: Democratic Party
House Majority: Democratic Party

1st: January 6, 1987 – December 22, 1987
2nd: January 25, 1988 – October 22, 1988

The One Hundredth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from January 3, 1987, to January 3, 1989, during the last two years of Ronald Reagan's presidency. The apportionment of seats in the House of Representatives was based on the Twentieth Census of the United States in 1980. Both chambers had a Democratic majority.


Major events

President Jim Wright during the 1988 State of the Union Address, January 25, 1988

Major legislation

President Reagan signed the Civil Liberties Act of 1988 into law, August 10, 1988.

Treaties ratified


Party summary


Senate representation by state
(Shading shows control)
Total Vacant
End of the previous congress 47 53 100 0
Begin 55 45 100 0
End 54 99 1
Final voting share 54.5% 45.5%
Beginning of the next congress 55 45 100 0

House of Representatives

House representation by state
(Shading shows control)
Total Vacant
End of the previous congress 252 180 432 3
Begin 258 177 435 0
End 254 178 432 3
Final voting share 58.8% 41.2%
Non-voting members 4 1 5
Beginning of the next congress 251 183 434 1



Majority (Democratic) leadership

Minority (Republican) leadership

House of Representatives

Majority (Democratic) leadership

Minority leadership


This list is arranged by chamber, then by state. Senators are listed in order of seniority, and Representatives are listed by district.


Senators are popularly elected statewide every two years, with one-third beginning new six-year terms with each Congress.

House of Representatives

Changes in membership


Vacator Reason for change Successor Date of successor's
formal installation
Edward Zorinsky (D) Died March 6, 1987 David Karnes (R) March 11, 1987
David Karnes (R) Resigned November 8, 1988 after losing election Vacant to the end of this Congress

House of Representatives

District Vacator Reason for change Successor Date successor
California's 5th Sala Burton (D) Died February 1, 1987 Nancy Pelosi (D) June 2, 1987
Connecticut's 4th Stewart McKinney (R) Died May 7, 1987 Chris Shays (R) August 18, 1987
Tennessee's 5th Bill Boner (D) Resigned October 5, 1987 Bob Clement (D) January 19, 1988
Virginia's 5th Dan Daniel (D) Died January 23, 1988 Lewis F. Payne, Jr. (D) June 14, 1988
Louisiana's 4th Buddy Roemer (D) Resigned March 14, 1988 after being elected Governor of Louisiana Jim McCrery (R) April 16, 1988
New Jersey's 3rd James J. Howard (D) Died March 25, 1988 Frank Pallone (D) November 8, 1988
Illinois's 21st Melvin Price (D) Died April 22, 1988 Jerry Costello (D) August 9, 1988
Tennessee's 2nd John Duncan, Sr. (R) Died June 21, 1988 Jimmy Duncan (R) November 8, 1988
New York's 19th Mario Biaggi (D) Resigned August 5, 1988 Vacant to the end of this Congress
American Samoa's At-large Fofó I. F. Sunia (D) Resigned September 6, 1988 Vacant to the end of this Congress
Alabama's 3rd William F. Nichols (D) Died December 13, 1988 Vacant to the end of this Congress



House of Representatives


  • Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company. 
  • Martis, Kenneth C. (1982). The Historical Atlas of United States Congressional Districts. New York: Macmillan Publishing Company. 

External links

  • Biographical Directory of the U.S. Congress
  • U.S. House of Representatives: Congressional History
  • U.S. Senate: Statistics and Lists
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