115th United States Congress

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115th United States Congress
114th ←
→ 116th
U.S. Capitol - March 28, 2016 (25666928564).jpg
January 3, 2017 – January 3, 2019
Senate President Joe Biden (D)
until January 20, 2017
Mike Pence (R)
since January 20, 2017
Senate Pres. pro tem Orrin Hatch (R)
House Speaker Paul Ryan (R)
Members 100 senators
435 representatives
6 non-voting delegates
Senate Majority Republican
House Majority Republican
1st: January 3, 2017 – present

The One Hundred Fifteenth United States Congress is the current meeting of the legislative branch of the United States federal government, composed of the Senate and the House of Representatives. It meets in Washington, D.C. from January 3, 2017, to January 3, 2019, during the final weeks of Barack Obama's presidency and the first two years of Donald Trump's presidency. The November 2016 elections maintained Republican control of both the House and Senate.


Major events[edit]

President Donald Trump addressing Congress, with Senate President Mike Pence and House Speaker Paul Ryan.

Major legislation[edit]



Party summary[edit]

Resignations and new members are discussed in the "Changes in membership" section, below.
Senate membership
  46 Democrats
  2 Independents caucusing with Democrats


Affiliation Party
(shading indicates majority caucus)
Total Vacant
Democratic Independent Republican
End of previous Congress 44 2 54 100 0
Begin (January 3, 2017) 46 2 52 100 0
February 8, 2017[note 1] 51 99 1
February 9, 2017[note 2] 52 100 0
Latest voting share 48.0% 52.0%

House of Representatives[edit]

House membership, July 11, 2017
     194 Democrats      2 Vacant
     239 Republicans
Ideological divisions in the House, March 27, 2017
     71 Progressive Caucus
     33 Freedom Caucus

     105 Party Democrats
     158 Party Republicans

     18 Blue Dog Coalition
     48 Tuesday Group

     1 Vacant
(shading indicates majority caucus)
Total Vacant
Democratic Independent Republican
End of previous Congress 187 0 246 433 2
Begin (January 3, 2017) 194 0 241 435 0
January 23, 2017[note 3] 240 434 1
January 24, 2017[note 4] 193 433 2
February 10, 2017[note 5] 239 432 3
February 16, 2017[note 6] 238 431 4
March 1, 2017[note 7] 237 430 5
April 11, 2017[note 8][11] 238 431 4
May 25, 2017[note 9][11] 239 432 3
June 6, 2017[note 10][11] 194 433 2
June 20, 2017[note 11][11] 241 435 0
June 30, 2017[note 12] 240 434 1
October 21, 2017[note 13] 239 433 2
November 7, 2017[note 14][11] 240 434 1
Latest voting share 45% 0% 55%  
Non-voting members 3 1 2 6 0


[ Section contents: Senate: Majority (R), Minority (D)House: Majority (R), Minority (D) ]


Senate President
Joe Biden
Joe Biden (D)
Until January 20, 2017
Mike Pence
Mike Pence (R)
From January 20, 2017
Senate President pro tempore

Majority (Republican) leadership[edit]

Minority (Democratic) leadership[edit]

House of Representatives[edit]

House Speaker
Paul Ryan

Majority (Republican) leadership[edit]

Minority (Democratic) leadership[edit]


The 115th Congress has the highest average age compared to any other Congress in recent history. The average age of the members in the House of Representatives is 57.8 years, while the average age of the members in the Senate is 61.8 years.[15]

The most common occupation of Senators prior to election was law, followed by public service/politics, then business. In the House of Representatives, business is the dominant prior occupation, followed by public service/politics, and finally law.[15]

Currently 94.1% of House members and 100% of Senators have a bachelor's degree or higher, a historically high level of education for a United States Congress. In addition, 167 members of the House and 55 Members of the Senate have a law degree. Only 18 members of Congress have no college education.[15]

The extent of racial diversity in the 115th Congress is 52 African American members, 45 Hispanic or Latino members, 18 members of Asian, South Asian, or Pacific Islander ancestry, 2 members of Native American ancestry, the remaining 418 members of Congress are White.[15]

Women make up 20.1% of the total membership in the 115th Congress, which has a total of 109 women and 426 men. This represents an increase of 21 women from the 114th Congress.[15]

Currently, there are seven openly LGBT members serving in Congress. Tammy Baldwin,[16] Jared Polis,[17] Sean Patrick Maloney, Mark Takano, and Mark Pocan are all openly gay, while Kyrsten Sinema is openly bisexual.[18]

The Majority of the 115th Congress is religious and 90.7% of those religious members are Christian. Approximately half of the Christian members are Protestant. Other religious faiths of Congress members include Jewish, Buddhist, Muslim, and Hindu.[15]



The numbers refer to their Senate classes. All of the class 3 seats were contested in the November 2016 elections. In this Congress, Class 1 meant their term ended with this Congress, requiring re-election in 2018; Class 2 meant their term began in the last Congress, requiring re-election in 2020; and Class 3 meant their term began in this Congress, requiring re-election in 2022.

House of Representatives[edit]

All 435 seats were filled by the regular elections on November 8, 2016, or subsequent special elections thereafter.


Section contents: Senate, House, Joint

Listed alphabetically by chamber, including Chairman and Ranking Member.


Committee Chairman Ranking Member
Agriculture, Nutrition and Forestry Roberts, PatPat Roberts (R-KS) Stabenow, DebbieDebbie Stabenow (D-MI)
Appropriations Cochran, ThadThad Cochran (R-MS) Leahy, PatrickPatrick Leahy (D-VT)
Armed Services McCain, JohnJohn McCain (R-AZ) Reed, JackJack Reed (D-RI)
Banking, Housing and Urban Affairs Crapo, MikeMike Crapo (R-ID) Brown, SherrodSherrod Brown (D-OH)
Budget Enzi, MikeMike Enzi (R-WY) Sanders, BernieBernie Sanders (I-VT)
Commerce, Science and Transportation Thune, JohnJohn Thune (R-SD) Nelson, BillBill Nelson (D-FL)
Energy and Natural Resources Murkowski, LisaLisa Murkowski (R-AK) Cantwell, MariaMaria Cantwell (D-WA)
Environment and Public Works Barrasso, JohnJohn Barrasso (R-WY) Carper, TomTom Carper (D-DE)
Finance Hatch, OrrinOrrin Hatch (R-UT) Wyden, RonRon Wyden (D-OR)
Foreign Relations Corker, BobBob Corker (R-TN) Cardin, BenBen Cardin (D-MD)
Health, Education, Labor and Pensions Alexander, LamarLamar Alexander (R-TN) Murray, PattyPatty Murray (D-WA)
Homeland Security and Governmental Affairs Johnson, RonRon Johnson (R-WI) McCaskill, ClaireClaire McCaskill (D-MO)
Indian Affairs Hoeven, JohnJohn Hoeven (R-ND) Udall, TomTom Udall (D-NM)
Judiciary Grassley, ChuckChuck Grassley (R-IA) Feinstein, DianneDianne Feinstein (D-CA)
Rules and Administration Shelby, RichardRichard Shelby (R-AL) Klobuchar, AmyAmy Klobuchar (D-MN)
Small Business and Entrepreneurship Risch, JimJim Risch (R-ID) Shaheen, JeanneJeanne Shaheen (D-NH)
Veterans' Affairs Isakson, JohnnyJohnny Isakson (R-GA) Tester, JonJon Tester (D-MT)
Aging Collins, SusanSusan Collins (R-ME) Casey Jr., BobBob Casey Jr. (D-PA)
Ethics Isakson, JohnnyJohnny Isakson (R-GA) Coons, ChrisChris Coons (D-DE)
Intelligence Burr, RichardRichard Burr (R-NC) Warner, MarkMark Warner (D-VA)
Narcotics Grassley, ChuckChuck Grassley (R-IA) Feinstein, DianneDianne Feinstein (D-CA)

House of Representatives[edit]

Committee Chairman[19] Ranking Member
Agriculture Conaway, MikeMike Conaway (R-TX) Peterson, CollinCollin Peterson (D-MN)
Appropriations Frelinghuysen, RodneyRodney Frelinghuysen (R-NJ) Lowey, NitaNita Lowey (D-NY)
Armed Services Thornberry, MacMac Thornberry (R-TX) Smith, AdamAdam Smith (D-WA)
Budget Black, DianeDiane Black (R-TN) Yarmuth, JohnJohn Yarmuth (D-KY)
Education and the Workforce Foxx, VirginiaVirginia Foxx (R-NC) Scott, BobbyBobby Scott (D-VA)
Energy and Commerce Walden, GregGreg Walden (R-OR) Pallone, FrankFrank Pallone (D-NJ)
Ethics Brooks, SusanSusan Brooks (R-IN) Deutch, TedTed Deutch (D-FL)
Financial Services Hensarling, JebJeb Hensarling (R-TX) Waters, MaxineMaxine Waters (D-CA)
Foreign Affairs Royce, EdEd Royce (R-CA) Engel, EliotEliot Engel (D-NY)
Homeland Security McCaul, MichaelMichael McCaul (R-TX) Thompson, BennieBennie Thompson (D-MS)
House Administration Harper, GreggGregg Harper (R-MS) Brady, BobBob Brady (D-PA)
Judiciary Goodlatte, BobBob Goodlatte (R-VA) Conyers, JohnJohn Conyers (D-MI)
Natural Resources Bishop, RobRob Bishop (R-UT) Grijalva, RaúlRaúl Grijalva (D-AZ)
Oversight and Government Reform Gowdy, TreyTrey Gowdy (R-SC) Cummings, ElijahElijah Cummings (D-MD)
Rules Sessions, PetePete Sessions (R-TX) Slaughter, LouiseLouise Slaughter (D-NY)
Science, Space & Technology Smith, Lamar S.Lamar S. Smith (R-TX) Johnson, Eddie BerniceEddie Bernice Johnson (D-TX)
Small Business Chabot, SteveSteve Chabot (R-OH) Velázquez, NydiaNydia Velázquez (D-NY)
Transportation and Infrastructure Shuster, BillBill Shuster (R-PA) DeFazio, PeterPeter DeFazio (D-OR)
Veterans' Affairs Roe, PhilPhil Roe (R-TN) Walz, TimTim Walz (D-MN)
Ways and Means Brady, KevinKevin Brady (R-TX) Neal, RichardRichard Neal (D-MA)
Permanent Select Committee on Intelligence Nunes, DevinDevin Nunes (R-CA) Schiff, AdamAdam Schiff (D-CA)


Committee Chairman Ranking Member Vice Chairman Vice Ranking Member
Economic Rep. Tiberi, PatPat Tiberi (R-OH) Sen. Heinrich, MartinMartin Heinrich (D-NM) Sen. Lee, MikeMike Lee (R-UT) Rep. Maloney, CarolynCarolyn Maloney (D-NY)
Inaugural Ceremonies Sen. Blunt, RoyRoy Blunt (R-MO) Rep. Pelosi, NancyNancy Pelosi (D-CA) Rep. Ryan, PaulPaul Ryan (R-WI) Sen. Schumer, ChuckChuck Schumer (D-NY)
The Library Sen. Blunt, RoyRoy Blunt (R-MO) Sen. Klobuchar, AmyAmy Klobuchar (D-MN) Sen. Shelby, RichardRichard Shelby (R-AL) Rep. Brady, BobBob Brady (D-PA)
Printing Sen. Shelby, RichardRichard Shelby (R-AL) Rep. Brady, BobBob Brady (D-PA) Sen. Blunt, RoyRoy Blunt (R-MO) Sen. Klobuchar, AmyAmy Klobuchar (D-MN)
Taxation Rep. Brady, KevinKevin Brady (R-TX) Sen. Wyden, RonRon Wyden (D-OR) Sen. Hatch, OrrinOrrin Hatch (R-UT) Rep. Neal, RichardRichard Neal (D-MA)

Changes in membership[edit]


Vacator Reason for change Successor Date of successor's
formal installation
Jeff Sessions
Resigned February 8, 2017, to become U.S. Attorney General.[20]
An interim successor was appointed February 9, 2017.
Luther Strange
February 9, 2017[21]
Luther Strange
Lost nomination to finish the term.
A special election will be held December 12, 2017 to finish the term.[22]

House of Representatives[edit]

District Vacator Reason for change Successor Date successor
Kansas's 4th Pompeo, MikeMike Pompeo
Resigned January 23, 2017, to become Director of the Central Intelligence Agency.[23]
A special election was held April 11, 2017.[24]
Estes, RonRon Estes
April 25, 2017
California's 34th Becerra, XavierXavier Becerra
Resigned January 24, 2017, to become Attorney General of California.[25]
A special election was held June 6, 2017.
Gomez, JimmyJimmy Gomez
July 11, 2017
Georgia's 6th Price, TomTom Price
Resigned February 10, 2017, to become U.S. Secretary of Health and Human Services.
A special election was held June 20, 2017.[26]
Handel, KarenKaren Handel
June 26, 2017
South Carolina's 5th Mulvaney, MickMick Mulvaney
Resigned February 16, 2017, to become Director of the Office of Management and Budget.
A special election was held June 20, 2017.[27]
Norman, RalphRalph Norman
June 26, 2017
Montana's at-large Zinke, RyanRyan Zinke
Resigned March 1, 2017, to become U.S. Secretary of the Interior.
A special election was held May 25, 2017.[28]
Gianforte, GregGreg Gianforte
June 21, 2017
Utah's 3rd Chaffetz, JasonJason Chaffetz
Resigned June 30, 2017.[29]
A special election was held November 7, 2017.[30]
Curtis, JohnJohn Curtis
November 13, 2017
Pennsylvania's 18th Murphy, TimTim Murphy
Resigned October 21, 2017.[31]
A special election will be held March 13, 2018.
Ohio's 12th Tiberi, PatPat Tiberi
Will resign on or before January 31, 2018.[32]
A special election will be held at a time to be determined.

See also[edit]


  1. ^ Sen. Jeff Sessions (R-Alabama) resigned February 8, 2017.
  2. ^ Sen. Luther Strange (R-Alabama) was appointed February 9, 2017.
  3. ^ Rep. Mike Pompeo (R-Kansas's 4th district) resigned January 23, 2017. Ron Estes (R) was later elected to the seat.
  4. ^ Rep. Xavier Becerra (D-California's 34th district) resigned January 24, 2017. Jimmy Gomez (D) was later elected to the seat.
  5. ^ Rep. Tom Price (R-Georgia's 6th district) resigned February 10, 2017. Karen Handel (R) was later elected to this seat.
  6. ^ Rep. Mick Mulvaney (R-South Carolina's 5th district) resigned February 16, 2017. Ralph Norman (R) was later elected to this seat.
  7. ^ Rep. Ryan Zinke (R-Montana's at-large district) resigned March 1, 2017. Greg Gianforte (R) was later elected to the seat.
  8. ^ Rep. Ron Estes (R-Kansas's 4th district) was elected April 11, 2017.
  9. ^ Rep. Greg Gianforte (R-Montana's at-large district) was elected May 25, 2017.
  10. ^ Rep. Jimmy Gomez (D-California's 34th district) was elected June 6, 2017.
  11. ^ Reps. Karen Handel (R-Georgia's 6th district) and Ralph Norman (R-South Carolina's 5th district) were elected June 20, 2017.
  12. ^ Rep. Jason Chaffetz (R-Utah's 3rd district) resigned June 30, 2017.
  13. ^ Rep. Tim Murphy (R-Pennsylvania's 18th district) resigned October 21, 2017.
  14. ^ Rep. John Curtis (R-Utah's 3rd district) was elected November 7, 2017.


  1. ^ "House Overwhelmingly Votes to Condemn UN Resolution on Israel Settlements". Fox News. January 5, 2017. Retrieved January 7, 2017. 
  2. ^ Cortellessa, Eric (January 6, 2017). "US House Passes Motion Repudiating UN Resolution on Israel". The Times of Israel. Retrieved January 17, 2017. 
  3. ^ Caldwell, Leigh Ann (January 12, 2017). "Senate Approves First Step Toward Repealing Obamacare in Late-Night Session". NBC News. Retrieved January 12, 2017. 
  4. ^ Kurtzleben, Danielle (January 12, 2017). "Senate Takes First Step To Repeal Obamacare — So What's Next?". NPR. Retrieved January 12, 2017. 
  5. ^ "DeVos Confirmed as Education Secretary, Pence Casts Historic Tie-Breaking Vote". Fox News. February 7, 2017. Retrieved February 8, 2017. 
  6. ^ Strafford, Michael; Emma, Caitlin; Heffling, Kimberly (February 7, 2017). "Senate confirms DeVos as secretary of education". Politico. Retrieved February 8, 2017. 
  7. ^ Kaplan, Thomas. "House Passes Measure to Repeal and Replace the Affordable Care Act". NY Times. Retrieved May 4, 2017. 
  8. ^ Roll call vote 256, via Clerk.House.gov
  9. ^ "Office of the Clerk of the U.S. House of Representatives". June 8, 2017. Retrieved June 10, 2017. 
  10. ^ Roll call vote 299, via Clerk.House.gov
  11. ^ a b c d e Service begins on the day of a special election, when qualified, not upon the oath of office.
  12. ^ a b c "Senate Democrats elect Chuck Schumer as their new leader". Retrieved March 19, 2017. 
  13. ^ a b c Everett, Burgess; Schor, Elana (November 16, 2016). "Senate Democrats settle on leadership team, Sanders elevated". Politico. Retrieved January 3, 2017. 
  14. ^ Robillard, Kevin; Schor, Elana (November 18, 2016). "Van Hollen to serve as DSCC chair". politico.com. Retrieved March 12, 2017. 
  15. ^ a b c d e f "Membership of the 115th Congress: A Profile" (PDF). Congressional Research Service. March 13, 2017. Retrieved October 5, 2017. 
  16. ^ "Wisconsin's Tammy Baldwin is the first openly gay person elected to Senate". CNN. November 7, 2012. Retrieved October 5, 2017. 
  17. ^ Parkinson, John (September 30, 2011). "House Democrat Jared Polis Becomes First Openly Gay Parent in Congress". ABC News. Retrieved September 30, 2011. 
  18. ^ Candido, Sergio N. (October 29, 2012). "Top 5 Gay National Races". South Florida Gay News. Retrieved October 5, 2017. 
  19. ^ "Committee Chair Recommendations for the 115th Congress". Speaker.gov. December 1, 2016. Retrieved December 5, 2016. 
  20. ^ United States Congress. "Jefferson Beauregard Sessions III (id: S001141)". Biographical Directory of the United States Congress. Retrieved February 14, 2017. 
  21. ^ "The Latest: Strange to be sworn in as US senator Thursday". San Francisco Chronicle. Associated Press. February 9, 2017. Retrieved February 9, 2017. 
  22. ^ "Governor Moves Special Election for Alabama Senate Seat". Roll Call. Retrieved April 18, 2017. 
  23. ^ "Rep. Mike Pompeo (R-KS04) resignation letter read in House after Senate CIA Director confirmation". Retrieved March 19, 2017. 
  24. ^ "Sam Brownback on Twitter". Retrieved March 19, 2017. 
  25. ^ McDonnell, Patrick J. (January 24, 2017). "Xavier Becerra takes oath of office, is first Latino to become California attorney general". Los Angeles Times. Retrieved January 24, 2017. 
  26. ^ http://www.npr.org/2017/04/19/524580518/georgia-special-election-results-hang-in-suspense
  27. ^ "Mulvaney's confirmation makes replacement election official". February 16, 2017. Archived from the original on February 17, 2017. 
  28. ^ Lutey, Tom. "Zinke sworn in as Interior secretary; Montana prepares for special election". Retrieved March 19, 2017. 
  29. ^ Chaffetz, Jason (May 18, 2017). "Chaffetz Letter to Utah's 3rd Congressional District". U.S. Congressman Jason Chaffetz. Retrieved May 18, 2017. 
  30. ^ Bloch, Matthew; Lee, Jasmine (November 8, 2017). "Election Results: Curtis Wins U.S. House Seat in Utah". The New York Times. 
  31. ^ Bade, Rachael. "Tim Murphy resigns from Congress". Retrieved October 5, 2017. 
  32. ^ Tiberi, Pat (October 19, 2017). "Statement by Congressman Pat Tiberi". U.S. Congressman Pat Tiberi. Retrieved October 22, 2017. 

External links[edit]