115th United States Congress

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For the United States government's legislative branch, see United States Congress.
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 members
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 U.S. Senate and the U.S. House of Representatives. It meets in Washington, D.C. from January 3, 2017, to January 3, 2019, during the final weeks of the Obama presidency and the first two years of the Trump 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]

Partisan House membership,
from April 11, 2017
     238 Republicans
     193 Democrats
     4 Vacant
Ideological divisions in the House,
from April 11, 2017
     69 Progressive Caucus
     113 Party Democrats
     11 Blue Dog Coalition
     4 Vacant
     48 Tuesday Group
     157 Party Republicans
     33 Freedom Caucus
(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][7] 238 431 4
Latest voting share 44.8% 0.0% 55.2%  
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]



For year of birth, when first took office, when current term expires, prior background, and education, see List of current United States Senators.

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]

For year of birth, when first took office, prior background, and education, see Current members of the United States House of Representatives.

All 435 seats were filled by election on November 8, 2016.


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[11] 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 Chaffetz, JasonJason Chaffetz (R-UT) 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.[12]
An interim successor was appointed February 9, 2017.
A special election will be held December 12, 2017 to finish the term.[13]
Luther Strange
February 9, 2017[14]

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.[15]
A special election was held April 11, 2017.[16]
Estes, RonRon Estes
April 25, 2017
California's 34th Becerra, XavierXavier Becerra
Resigned January 24, 2017 to become Attorney General of California.[17]
A special election was held April 4, 2017, with a runoff scheduled June 6, 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 April 18, 2017, with a runoff scheduled June 20, 2017.[18]
South Carolina's 5th Mulvaney, MickMick Mulvaney
Resigned February 16, 2017 to become Director of the Office of Management and Budget.
A special election will be held June 20, 2017.[19]
Montana's at-large Zinke, RyanRyan Zinke
Resigned March 1, 2017 to become U.S. Secretary of the Interior.
A special election will be held May 25, 2017.[20]

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.
  5. ^ Rep. Tom Price (R-Georgia's 6th district) resigned February 10, 2017.
  6. ^ Rep. Mick Mulvaney (R-South Carolina's 5th district) resigned February 16, 2017.
  7. ^ Rep. Ryan Zinke (R-Montana's at-large district) resigned March 1, 2017.
  8. ^ Rep. Ron Estes (R-Kansas's 4th district) was elected April 11, 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. ^ Michael Strafford, Caitlin Emma, Kimberly Heffling (February 7, 2017). "Senate confirms DeVos as secretary of education". Politico. Retrieved February 8, 2017. 
  7. ^ Service begins on the day of a special election, when qualified, not upon the oath of office.
  8. ^ a b c "Senate Democrats elect Chuck Schumer as their new leader". Retrieved March 19, 2017. 
  9. ^ a b c Everett, Burgess; Schor, Elana (November 16, 2016). "Senate Democrats settle on leadership team, Sanders elevated". Politico. Retrieved January 3, 2017. 
  10. ^ Kevin Robillard and Elana Schor (November 18, 2016). "Van Hollen to serve as DSCC chair". politico.com. Retrieved March 12, 2017. 
  11. ^ "Committee Chair Recommendations for the 115th Congress". Speaker.gov. December 1, 2016. Retrieved December 5, 2016. 
  12. ^ United States Congress. "Jefferson Beauregard Sessions III (id: S001141)". Biographical Directory of the United States Congress. Retrieved February 14, 2017. 
  13. ^ "Governor Moves Special Election for Alabama Senate Seat". Roll Call. Retrieved April 18, 2017. 
  14. ^ "The Latest: Strange to be sworn in as US senator Thursday". San Francisco Chronicle. Associated Press. February 9, 2017. Retrieved February 9, 2017. 
  15. ^ "Rep. Mike Pompeo (R-KS04) resignation letter read in House after Senate CIA Director confirmation". Retrieved March 19, 2017. 
  16. ^ "Sam Brownback on Twitter". Retrieved March 19, 2017. 
  17. ^ 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. 
  18. ^ http://www.npr.org/2017/04/19/524580518/georgia-special-election-results-hang-in-suspense
  19. ^ "Mulvaney's confirmation makes replacement election official". February 16, 2017. 
  20. ^ Lutey, Tom. "Zinke sworn in as Interior secretary; Montana prepares for special election". Retrieved March 19, 2017. 

External links[edit]