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115th Congress: Senate Scores

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The Lugar Center - McCourt School Bipartisan Index

Senate Scores

115th Congress (2017-2018)

       
       
Senator (by score)   Senator (alphabetical)
# Name State Party Score   # Name State Party Score
1 Susan Collins ME R 3.16636   46 Lamar Alexander TN R 0.14695
2 Rob Portman OH R 2.57356   62 Tammy Baldwin WI D -0.25032
3 Shelley Capito WV R 1.76424   63 John Barrasso WY R -0.28213
4 Joe Donnelly IN D 1.72798   44 Michael Bennet CO D 0.18292
5 Cory Gardner CO R 1.55096   90 Richard Blumenthal CT D -1.05151
6 Lindsey Graham SC R 1.54045   13 Roy Blunt MO R 1.18004
7 Todd Young IN R 1.53858   88 Cory Booker NJ D -0.87917
8 Chuck Grassley IA R 1.53495   24 John Boozman AR R 0.75339
9 Dean Heller NV R 1.46778   58 Sherrod Brown OH D -0.16474
10 Marco Rubio FL R 1.30547   16 Richard Burr NC R 0.89184
11 Johnny Isakson GA R 1.24246   52 Maria Cantwell WA D 0.02605
12 Chris Coons DE D 1.18688   3 Shelley Capito WV R 1.76424
13 Roy Blunt MO R 1.18004   48 Ben Cardin MD D 0.09095
14 Lisa Murkowski AK R 1.12386   66 Tom Carper DE D -0.33855
15 Mark Warner VA D 0.90130   54 Bob Casey PA D -0.06218
16 Richard Burr NC R 0.89184   31 Bill Cassidy LA R 0.69363
17 Gary Peters MI D 0.87069   83 Thad Cochran MS R -0.80435
18 Steve Daines MT R 0.85493   1 Susan Collins ME R 3.16636
19 Joni Ernst IA R 0.85402   12 Chris Coons DE D 1.18688
20 Bob Corker TN R 0.83760   20 Bob Corker TN R 0.83760
21 Pat Toomey PA R 0.80095   32 John Cornyn TX R 0.62817
22 Roger Wicker MS R 0.76602   74 Catherine Cortez Masto NV D -0.53053
23 Amy Klobuchar MN D 0.75957   71 Tom Cotton AR R -0.44949
24 John Boozman AR R 0.75339   27 Mike Crapo ID R 0.73178
25 Joe Manchin WV D 0.74508   75 Ted Cruz TX R -0.57694
26 Jerry Moran KS R 0.73985   18 Steve Daines MT R 0.85493
27 Mike Crapo ID R 0.73178   4 Joe Donnelly IN D 1.72798
28 Angus King ME D 0.72082   78 Tammy Duckworth IL D -0.62510
29 Orrin Hatch UT R 0.71742   89 Dick Durbin IL D -1.02844
30 Tim Scott SC R 0.69569   77 Mike Enzi WY R -0.61243
31 Bill Cassidy LA R 0.69363   19 Joni Ernst IA R 0.85402
32 John Cornyn TX R 0.62817   79 Dianne Feinstein CA D -0.63101
33 Pat Roberts KS R 0.60239   43 Deb Fischer NE R 0.26497
34 Thom Tillis NC R 0.58389   56 Jeff Flake AZ R -0.08109
35 Claire McCaskill MO D 0.58377   94 Al Franken MN D -1.29086
36 Doug Jones AL D 0.57794   5 Cory Gardner CO R 1.55096
37 John Hoeven ND R 0.56486   84 Kirsten Gillibrand NY D -0.81098
38 Heidi Heitkamp ND D 0.52012   6 Lindsey Graham SC R 1.54045
39 Dan Sullivan AK R 0.40123   8 Chuck Grassley IA R 1.53495
40 John Thune SD R 0.39622   95 Kamala Harris CA D -1.29805
41 Bill Nelson FL D 0.35658   65 Maggie Hassan NH D -0.33729
42 Jon Tester MT D 0.29562   29 Orrin Hatch UT R 0.71742
43 Deb Fischer NE R 0.26497   57 Martin Heinrich NM D -0.11382
44 Michael Bennet CO D 0.18292   38 Heidi Heitkamp ND D 0.52012
45 Jim Risch ID R 0.16639   9 Dean Heller NV R 1.46778
46 Lamar Alexander TN R 0.14695   86 Mazie Hirono HI D -0.86628
47 John McCain AZ R 0.11885   37 John Hoeven ND R 0.56486
48 Ben Cardin MD D 0.09095   50 Jim Inhofe OK R 0.05684
49 John Kennedy LA R 0.06616   11 Johnny Isakson GA R 1.24246
50 Jim Inhofe OK R 0.05684   51 Ron Johnson WI R 0.04640
51 Ron Johnson WI R 0.04640   36 Doug Jones AL D 0.57794
52 Maria Cantwell WA D 0.02605   61 Tim Kaine VA D -0.24979
53 Mike Rounds SD R 0.01359   49 John Kennedy LA R 0.06616
54 Bob Casey PA D -0.06218   28 Angus King ME D 0.72082
55 Rand Paul KY R -0.07711   23 Amy Klobuchar MN D 0.75957
56 Jeff Flake AZ R -0.08109   67 James Lankford OK R -0.34880
57 Martin Heinrich NM D -0.11382   69 Patrick Leahy VT D -0.40831
58 Sherrod Brown OH D -0.16474   64 Mike Lee UT R -0.32872
59 Jeanne Shaheen NH D -0.17730   25 Joe Manchin WV D 0.74508
60 Debbie Stabenow MI D -0.20576   91 Ed Markey MA D -1.10821
61 Tim Kaine VA D -0.24979   47 John McCain AZ R 0.11885
62 Tammy Baldwin WI D -0.25032   35 Claire McCaskill MO D 0.58377
63 John Barrasso WY R -0.28213   76 Bob Menéndez NJ D -0.60157
64 Mike Lee UT R -0.32872   98 Jeff Merkley OR D -1.43154
65 Maggie Hassan NH D -0.33729   26 Jerry Moran KS R 0.73985
66 Tom Carper DE D -0.33855   14 Lisa Murkowski AK R 1.12386
67 James Lankford OK R -0.34880   97 Chris Murphy CT D -1.37243
68 Elizabeth Warren MA D -0.35568   93 Patty Murray WA D -1.24455
69 Patrick Leahy VT D -0.40831   41 Bill Nelson FL D 0.35658
70 Ben Sasse NE R -0.43440   55 Rand Paul KY R -0.07711
71 Tom Cotton AR R -0.44949   73 David Perdue GA R -0.50760
72 Brian Schatz HI D -0.47053   17 Gary Peters MI D 0.87069
73 David Perdue GA R -0.50760   2 Rob Portman OH R 2.57356
74 Catherine Cortez Masto NV D -0.53053   87 Jack Reed RI D -0.87102
75 Ted Cruz TX R -0.57694   45 Jim Risch ID R 0.16639
76 Bob Menéndez NJ D -0.60157   33 Pat Roberts KS R 0.60239
77 Mike Enzi WY R -0.61243   53 Mike Rounds SD R 0.01359
78 Tammy Duckworth IL D -0.62510   10 Marco Rubio FL R 1.30547
79 Dianne Feinstein CA D -0.63101   100 Bernie Sanders VT D -2.03193
80 Sheldon Whitehouse RI D -0.77304   70 Ben Sasse NE R -0.43440
81 Ron Wyden OR D -0.78872   72 Brian Schatz HI D -0.47053
82 Tom Udall NM D -0.80041   30 Tim Scott SC R 0.69569
83 Thad Cochran MS R -0.80435   59 Jeanne Shaheen NH D -0.17730
84 Kirsten Gillibrand NY D -0.81098   96 Richard Shelby AL R -1.37209
85 Chris Van Hollen MD D -0.82857   92 Tina Smith MN D -1.16668
86 Mazie Hirono HI D -0.86628   60 Debbie Stabenow MI D -0.20576
87 Jack Reed RI D -0.87102   99 Luther Strange AL R -1.48062
88 Cory Booker NJ D -0.87917   39 Dan Sullivan AK R 0.40123
89 Dick Durbin IL D -1.02844   42 Jon Tester MT D 0.29562
90 Richard Blumenthal CT D -1.05151   40 John Thune SD R 0.39622
91 Ed Markey MA D -1.10821   34 Thom Tillis NC R 0.58389
92 Tina Smith MN D -1.16668   21 Pat Toomey PA R 0.80095
93 Patty Murray WA D -1.24455   82 Tom Udall NM D -0.80041
94 Al Franken MN D -1.29086   85 Chris Van Hollen MD D -0.82857
95 Kamala Harris CA D -1.29805   15 Mark Warner VA D 0.90130
96 Richard Shelby AL R -1.37209   68 Elizabeth Warren MA D -0.35568
97 Chris Murphy CT D -1.37243   80 Sheldon Whitehouse RI D -0.77304
98 Jeff Merkley OR D -1.43154   22 Roger Wicker MS R 0.76602
99 Luther Strange AL R -1.48062   81 Ron Wyden OR D -0.78872
100 Bernie Sanders VT D -2.03193   7 Todd Young IN R 1.53858

GovTrack data was used in the production of these scores

Notes:

Senators who served fewer than 10 months are excluded (Cindy Hyde-Smith, R-MS; Jon Kyl, R-AZ; Jeff Sessions, R-AL).

Majority Leader Mitch McConnell (R-KY) and Minority Leader Chuck Schumer (D-NY) are excluded.

Senators who are independent but caucus with a party for purposes of determining which party is in the majority are counted as a member of that party.