State Office Name Party Rating
AL U.S. House-4 Robert Aderholt R 100%
Todd Akin Other 100%
LA U.S. House-5 Rodney Alexander R 100%
Wayne Allard Other 100%
George Allen Other 100%
AL U.S. House-6 Spencer Bachus R 100%
Richard Hugh Baker Other 100%
TX U.S. House-6 Joe Barton R 100%
Bob Beauprez Other 100%
TN U.S. House-7 Marsha Blackburn R 100%
MO U.S. Senate-Jr Roy Blunt R 100%
OH U.S. House-8 John Boehner R 100%
Henry Bonilla Other 100%
AL U.S. House-1 Jo Bonner, Jr. R 100%
Mary Bono Mack Other 100%
AR U.S. Senate-Jr John Boozman R 100%
TX U.S. House-8 Kevin Brady R 100%
Henry Brown, Jr. Other 100%
KS Governor Sam Brownback R 100%
Ginny Brown-Waite Other 100%
Jim Bunning Other 100%
TX U.S. House-26 Michael Burgess R 100%
CA U.S. House-42 Ken Calvert R 100%
MI U.S. House-4 Dave Camp R 100%
CA U.S. House-45 John Campbell III R 100%
Chris Cannon Other 100%
VA U.S. House-7 Eric Cantor R 100%
TX U.S. House-31 John Carter R 100%
OH U.S. House-1 Steve Chabot R 100%
GA U.S. Senate-Sr Saxby Chambliss R 100%
Chris Chocola Other 100%
OK U.S. House-4 Tom Cole R 100%
TX U.S. House-11 Mike Conaway R 100%
TX U.S. Senate-Sr John Cornyn R 100%
FL U.S. House-4 Ander Crenshaw R 100%
TX U.S. House-7 John Culberson R 100%
Geoff Davis Other 100%
GA Governor Nathan Deal R 100%
Thomas DeLay Other 100%
PA U.S. House-15 Charlie Dent R 100%
FL U.S. House-25 Mario Diaz-Balart R 100%
Elizabeth Dole Other 100%
Thelma Drake Other 100%
David Dreier Other 100%
Jo Ann Emerson Other 100%
John Ensign Other 100%
Tom Feeney Other 100%
VA U.S. House-4 Randy Forbes R 100%
NE U.S. House-1 Jeff Fortenberry R 100%
Vito Fossella, Jr. Other 100%
AZ U.S. House-8 Trent Franks R 100%
William Frist Other 100%
Elton Gallegly Other 100%
Jim Gibbons Other 100%
Paul Gillmor Other 100%
GA U.S. House-11 Phil Gingrey R 100%
TX U.S. House-1 Louie Gohmert R 100%
VA U.S. House-6 Bob Goodlatte R 100%
TX U.S. House-12 Kay Granger R 100%
IA U.S. Senate-Sr Chuck Grassley R 100%
MO U.S. House-6 Sam Graves R 100%
Mark Green Other 100%
NA U.S. Secretary of Defense Charles Hagel R 100%
TX U.S. House-4 Ralph Hall R 100%
Melissa Hart Other 100%
J. Dennis Hastert Other 100%
WA U.S. House-4 Doc Hastings R 100%
J.D. Hayworth, Jr. Other 100%
TX U.S. House-5 Jeb Hensarling R 100%
Wally Herger, Jr. Other 100%
David Lee Hobson Other 100%
Pete Hoekstra Other 100%
Kenny Hulshof Other 100%
Kay Hutchison Other 100%
Henry Hyde Other 100%
OK U.S. Senate-Sr Jim Inhofe R 100%
GA U.S. Senate-Jr Johnny Isakson R 100%
CA U.S. House-49 Darrell Issa R 100%
TX U.S. House-3 Sam Johnson R 100%
Ric Keller Other 100%
IA U.S. House-4 Steve King R 100%
GA U.S. House-1 Jack Kingston R 100%
MN U.S. House-2 John Kline R 100%
Joseph Knollenberg Other 100%
James Kolbe Other 100%
John Kuhl, Jr. Other 100%
Jon Kyl Other 100%
IA U.S. House-3 Tom Latham R 100%
Jerry Lewis Other 100%
Ron Lewis Other 100%
John Linder Other 100%
OK U.S. House-3 Frank Lucas R 100%
Dan Lungren Other 100%
TX U.S. House-24 Kenny Marchant R 100%
Melquiades Martinez Other 100%
TX U.S. House-10 Michael McCaul R 100%
KY U.S. Senate-Sr Mitch McConnell R 100%
James McCrery III Other 100%
CA U.S. House-25 Buck McKeon R 100%
WA U.S. House-5 Cathy McMorris Rodgers R 100%
FL U.S. House-7 John Mica R 100%
CA U.S. House-31 Gary Miller R 100%
FL U.S. House-1 Jefferson Miller R 100%
KS U.S. Senate-Jr Jerry Moran R 100%
PA U.S. House-18 Tim Murphy R 100%
Marilyn Musgrave Other 100%
Sue Myrick Other 100%
TX U.S. House-19 Randy Neugebauer R 100%
Anne Northup Other 100%
CA U.S. House-22 Devin Nunes R 100%
James Nussle Other 100%
Thomas William Osborne Other 100%
Michael Oxley Other 100%
NM U.S. House-2 Steve Pearce R 100%
IN Governor Mike Pence R 100%
John Peterson Other 100%
Charles Pickering, Jr. Other 100%
PA U.S. House-16 Joe Pitts R 100%
TX U.S. House-2 Ted Poe R 100%
Richard Pombo Other 100%
Jon Porter, Sr. Other 100%
GA U.S. House-6 Tom Price R 100%
Deborah Pryce Other 100%
FL Commissioner of Agriculture and Consumer Services Adam Putnam R 100%
George Radanovich Other 100%
Ralph Regula Other 100%
Richard Renzi Other 100%
KY U.S. House-5 Hal Rogers R 100%
MI U.S. House-8 Mike Rogers R 100%
CA U.S. House-48 Dana Rohrabacher R 100%
FL U.S. House-27 Ileana Ros-Lehtinen R 100%
CA U.S. House-39 Ed Royce R 100%
WI U.S. House-1 Paul Ryan R 100%
Jim Ryun Other 100%
Jean Schmidt Other 100%
AL U.S. Senate-Jr Jeff Sessions III R 100%
TX U.S. House-32 Pete Sessions R 100%
John Shadegg Other 100%
Donald Sherwood Other 100%
IL U.S. House-15 John Shimkus R 100%
PA U.S. House-9 Bill Shuster R 100%
TX U.S. House-21 Lamar Smith R 100%
Mike Sodrel Other 100%
Mark Souder Other 100%
Cliff Stearns Other 100%
John Sullivan Other 100%
William Thomas Other 100%
TX U.S. House-13 Mac Thornberry R 100%
Todd Tiahrt Other 100%
OR U.S. House-2 Greg Walden R 100%
Zach Wamp Other 100%
David Weldon Other 100%
Gerald Weller Other 100%
GA U.S. House-3 Lynn Westmoreland R 100%
KY U.S. House-1 Ed Whitfield R 100%
MS U.S. Senate-Jr Roger Wicker R 100%
SC U.S. House-2 Joe Wilson, Sr. R 100%
AK U.S. House-At-Large Don Young R 100%
J. Gresham Barrett Other 96%
Bob Bennett Other 96%
Michael Bilirakis Other 96%
UT U.S. House-1 Rob Bishop R 96%
Kit Bond Other 96%
LA U.S. House-3 Charles Boustany, Jr. R 96%
Conrad Burns Other 96%
NC U.S. Senate-Sr Richard Burr R 96%
Dan Burton Other 96%
Steve Buyer Other 96%
MS U.S. Senate-Sr Thad Cochran R 96%
Larry Craig Other 96%
ID U.S. Senate-Sr Mike Crapo R 96%
Barbara Cubin Other 96%
Jo Ann Davis Other 96%
James DeMint Other 96%
Lincoln Diaz-Balart Other 96%
TN U.S. House-2 John Duncan, Jr. R 96%
Philip English Other 96%
Terry Everett Other 96%
AZ U.S. Senate-Jr Jeff Flake R 96%
NC U.S. House-5 Virginia Foxx R 96%
NJ U.S. House-5 Scott Garrett R 96%
Katherine Harris Other 96%
UT U.S. Senate-Sr Orrin Hatch R 96%
Robert Hayes Other 96%
Joel Hefley Other 96%
Duncan Hunter Other 96%
Ernest Istook, Jr. Other 96%
William Lewis Jenkins Other 96%
LA Governor Bobby Jindal R 96%
Mark Kennedy Other 96%
Connie Mack IV Other 96%
Don Manzullo Other 96%
Thaddeus McCotter Other 96%
NC U.S. House-10 Patrick McHenry R 96%
MI U.S. House-10 Candice Miller R 96%
WV U.S. House-2 Shelley Moore Capito R 96%
AK U.S. Senate-Sr Lisa Murkowski R 96%
Charles Norwood, Jr. Other 96%
ID Governor Butch Otter R 96%
Denny Rehberg Other 96%
Thomas Reynolds Other 96%
AL U.S. House-3 Mike Rogers R 96%
AL U.S. Senate-Sr Richard Shelby R 96%
ID U.S. House-2 Mike Simpson R 96%
Tom Tancredo Other 96%
Charles Taylor Other 96%
Craig Thomas Other 96%
OH U.S. House-12 Pat Tiberi R 96%
OH U.S. House-10 Mike Turner R 96%
LA U.S. Senate-Jr David Vitter R 96%
FL U.S. House-13 Bill Young R 96%
Sue Kelly Other 95%
Trent Lott, Sr. Other 95%
KS U.S. Senate-Sr Pat Roberts R 95%
Rick Santorum Other 95%
Roscoe Bartlett Other 92%
Charlie Bass Other 92%
Judy Biggert Other 92%
NH State Senate-3 Jeb Bradley R 92%
John Doolittle Other 92%
Michael Ferguson Other 92%
Virgil Goode, Jr. Other 92%
Gilbert Gutknecht Other 92%
Ray LaHood Other 92%
WI U.S. House-6 Tom Petri R 92%
Todd Platts Other 92%
John Schwarz Other 92%
NE U.S. House-2 Lee Terry R 92%
MI U.S. House-6 Fred Upton R 92%
James Walsh Other 92%
TN U.S. Senate-Sr Lamar Alexander R 91%
OK U.S. Senate-Jr Thomas Coburn R 91%
WY U.S. Senate-Sr Mike Enzi R 91%
Mark Foley Other 91%
SC U.S. Senate-Sr Lindsey Graham R 91%
John Nathan Hostettler Other 91%
WA U.S. House-8 Dave Reichert R 91%
WI U.S. House-5 Jim Sensenbrenner, Jr. R 91%
E. Clay Shaw, Jr. Other 91%
Ted Stevens Other 91%
James Talent Other 91%
SD U.S. Senate-Jr John Thune R 91%
John Warner Other 91%
VA U.S. House-10 Frank Wolf R 91%
John Sununu Other 90%
Mike Castle Other 88%
NC U.S. House-6 Howard Coble R 88%
Robert Cramer Other 88%
TX U.S. House-28 Henry Cuellar D 88%
Thomas Davis III Other 88%
NJ U.S. House-11 Rodney Frelinghuysen R 88%
Wayne Gilchrest Other 88%
Bob Inglis, Sr. Other 88%
W. Curtis Weldon Other 88%
Heather Wilson Other 88%
Vern Ehlers Other 87%
John Sweeney Other 87%
Dan Boren Other 83%
PA U.S. House-6 Jim Gerlach R 83%
NC U.S. House-3 Walter Jones, Jr. R 83%
NY U.S. House-2 Pete King R 83%
IL U.S. Senate-Jr Mark Kirk R 83%
Steve LaTourette Other 83%
Dick Lugar Other 83%
Robert William Ney Other 83%
Gordon Smith Other 82%
Nancy Johnson Other 79%
John McHugh Other 79%
James Ramstad Other 79%
Jim Saxton Other 79%
Pete Domenici, Jr. Other 77%
Sherwood Boehlert Other 75%
Lincoln Davis Other 75%
PA U.S. House-8 Mike Fitzpatrick R 75%
NJ U.S. House-2 Frank LoBiondo R 75%
UT U.S. House-4 Jim Matheson D 75%
Judd Gregg Other 74%
Robert Ruhl Simmons Other 74%
George Voinovich Other 74%
Norm Coleman Other 73%
Christopher Shays Other 71%
Tim Johnson Other 70%
Arlen Specter Other 68%
Chet Edwards Other 67%
James Leach Other 67%
Gene Taylor Other 67%
AZ U.S. Senate-Sr John McCain III R 65%
Ron Paul Other 64%
Bart Gordon Other 63%
Jim Marshall Other 63%
NJ U.S. House-4 Chris Smith R 63%
John Tanner Other 63%
Allen Boyd, Jr. Other 61%
OH Attorney General Michael DeWine R 61%
LA U.S. Senate-Sr Mary Landrieu D 61%
Ben Nelson Other 61%
TX U.S. House-15 Rubén Hinojosa, Sr. D 55%
Melissa Bean Other 54%
GA U.S. House-2 Sanford Bishop, Jr. D 54%
Ike Skelton Other 54%
CA U.S. House-16 Jim Costa D 50%
Charlie Melancon, Sr. Other 50%
MN U.S. House-7 Collin Peterson DFL 50%
GA U.S. House-13 David Scott D 48%
Ed Towns Other 47%
Dennis Cardoza Other 46%
Edward Case Other 46%
TN U.S. House-5 Jim Cooper D 46%
Artur Davis Other 46%
Harold Ford, Jr. Other 46%
Thomas Holden Other 46%
NC U.S. House-7 Mike McIntyre D 46%
CO Commissioner of Agriculture John Salazar N/A 46%
MT U.S. Senate-Sr Max Baucus D 45%
Jeff Bingaman Other 45%
Solomon Ortiz, Sr. Other 45%
GA U.S. House-12 John Barrow D 42%
Marion Berry Other 42%
ME U.S. Senate-Sr Susan Collins R 42%
Stephanie Herseth Sandlin Other 42%
Earl Pomeroy Other 42%
Mike Ross Other 42%
Albert Wynn Other 42%
Charlie Gonzalez Other 39%
Blanche Lincoln Other 39%
Ken Salazar Other 39%
Olympia Snowe Other 39%
Brian Baird Other 38%
Ben Chandler III Other 38%
Alan Mollohan Other 38%
Jack Murtha Other 38%
WV U.S. House-3 Nick Rahall II D 38%
Silvestre Reyes Other 38%
CA U.S. House-46 Loretta Sanchez D 38%
Jane Harman Other 36%
Joe Baca, Sr. Other 35%
Kent Conrad Other 35%
AR U.S. Senate-Sr Mark Pryor D 35%
William Jefferson Other 33%
WA U.S. House-2 Rick Larsen D 33%
IL U.S. House-3 Daniel Lipinski D 33%
Dennis Moore Other 33%
MD U.S. House-2 Dutch Ruppersberger D 33%
NY U.S. House-7 Nydia Velázquez D 33%
Rick Boucher Other 30%
Shelley Berkley Other 29%
Jerry Costello Other 29%
TX U.S. House-29 Gene Green D 29%
TX U.S. House-18 Sheila Jackson Lee D 29%
Paul Kanjorski Other 29%
WI U.S. House-3 Ron Kind D 29%
VA U.S. House-8 Jim Moran, Jr. D 29%
Vic Snyder Other 29%
Dave Obey Other 28%
Robert Byrd Other 26%
WA U.S. Senate-Jr Maria Cantwell D 26%
DE U.S. Senate-Sr Tom Carper D 26%
RI Governor Linc Chafee I 26%
NY U.S. House-5 Gregory Meeks D 26%
Bart Stupak Other 26%
Ellen Tauscher Other 26%
Stephanie Tubbs Jones Other 26%
David Wu Other 26%
Leonard Boswell Other 25%
FL U.S. House-5 Corrine Brown D 25%
NC U.S. House-1 G.K. Butterfield, Jr. D 25%
IL U.S. House-7 Danny Davis D 25%
Norm Dicks Other 25%
NY U.S. House-26 Brian Higgins D 25%
Darlene Hooley Other 25%
NY U.S. House-3 Steve Israel D 25%
Kendrick Meek, Sr. Other 25%
ME U.S. House-2 Mike Michaud D 25%
OH U.S. House-13 Tim Ryan D 25%
WA U.S. House-9 Adam Smith D 25%
MS U.S. House-2 Bennie Thompson D 25%
CA U.S. House-5 Mike Thompson D 25%
CO U.S. Senate-Sr Mark Udall D 25%
FL U.S. House-23 Debbie Wasserman Schultz D 25%
MO U.S. House-1 Lacy Clay, Jr. D 24%
Byron Dorgan Other 24%
IL Mayor-At-Large Rahm Emanuel D 24%
SC U.S. House-6 Jim Clyburn D 22%
MI U.S. House-12 John Dingell D 22%
CA U.S. House-20 Sam Farr D 22%
James Merrill Jeffords Other 22%
SD U.S. Senate-Sr Timothy Johnson D 22%
Herb Kohl Other 22%
MI U.S. Senate-Sr Carl Levin D 22%
FL U.S. Senate-Sr William Nelson, Sr. D 22%
HI Governor Neil Abercrombie D 21%
MI U.S. House-13 John Conyers, Jr. D 21%
MD U.S. House-7 Elijah Cummings D 21%
PA U.S. House-14 Mike Doyle, Jr. D 21%
TX U.S. House-9 Al Green D 21%
MD U.S. House-5 Steny Hoyer D 21%
OH U.S. House-9 Marcy Kaptur D 21%
RI U.S. House-2 Jim Langevin D 21%
CT U.S. House-1 John Larson D 21%
NY U.S. House-4 Carolyn McCarthy D 21%
Michael McNulty Other 21%
IL U.S. House-1 Bobby Rush D 21%
John Spratt, Jr. Other 21%
Ted Strickland Other 21%
MD U.S. Senate-Jr Ben Cardin D 20%
NY U.S. House-13 Charlie Rangel D 18%
Thomas Allen Other 17%
CA U.S. House-34 Xavier Becerra D 17%
Howard Berman Other 17%
NY U.S. House-1 Tim Bishop D 17%
CA U.S. House-24 Lois Capps D 17%
MO U.S. House-5 Emanuel Cleaver II D 17%
NY U.S. House-14 Joe Crowley D 17%
CA U.S. House-53 Susan Davis D 17%
OR U.S. House-4 Peter DeFazio D 17%
Bill Delahunt Other 17%
TX U.S. House-35 Lloyd Doggett D 17%
NY U.S. House-16 Eliot Engel D 17%
CA U.S. House-18 Anna Eshoo D 17%
Bob Etheridge Other 17%
Russ Feingold Other 17%
CA Mayor-At-Large Bob Filner D 17%
Barney Frank Other 17%
WA Governor Jay Inslee D 17%
Patrick Kennedy Other 17%
Dale Kildee Other 17%
Carolyn Kilpatrick Other 17%
MI U.S. House-9 Sandy Levin D 17%
Joe Lieberman Other 17%
CA U.S. House-19 Zoe Lofgren D 17%
MA U.S. House-8 Stephen Lynch D 17%
NY U.S. House-12 Carolyn Maloney D 17%
CA U.S. House-6 Doris Matsui D 17%
Martin Meehan Other 17%
NJ U.S. Senate-Sr Bob Menendez D 17%
WI U.S. House-4 Gwen Moore D 17%
NC U.S. House-4 David Price D 17%
WV U.S. Senate-Sr Jay Rockefeller IV D 17%
Steve Rothman Other 17%
VT U.S. Senate-Jr Bernie Sanders I 17%
CA U.S. House-30 Brad Sherman D 17%
NY U.S. House-25 Louise Slaughter D 17%
NM U.S. Senate-Sr Thomas Udall D 17%
MD U.S. House-8 Chris Van Hollen, Jr. D 17%
Diane Watson Other 17%
Anthony Weiner Other 17%
CA U.S. House-40 Lucille Roybal-Allard D 16%
IL U.S. House-4 Luis Gutierrez D 14%
Daniel Inouye Other 14%
GA U.S. House-5 John Lewis D 14%
Gary Ackerman Other 13%
Daniel Akaka, Sr. Other 13%
WI U.S. Senate-Jr Tammy Baldwin D 13%
Evan Bayh Other 13%
NA Vice President Joe Biden, Jr. D 13%
OR U.S. House-3 Earl Blumenauer D 13%
PA U.S. House-1 Bob Brady D 13%
OH U.S. Senate-Sr Sherrod Brown D 13%
Russ Carnahan Other 13%
Julia Carson Other 13%
CO U.S. House-1 Diana DeGette D 13%
CT U.S. House-3 Rosa DeLauro D 13%
Chris Dodd Other 13%
Lane Evans Other 13%
AZ U.S. House-3 Raúl Grijalva D 13%
NJ U.S. House-12 Rush Holt, Jr. D 13%
CA U.S. House-17 Mike Honda D 13%
TX U.S. House-30 Eddie Johnson D 13%
Dennis Kucinich Other 13%
Tom Lantos Other 13%
CA U.S. House-13 Barbara Lee D 13%
NY U.S. House-17 Nita Lowey D 13%
MA U.S. House-5 Ed Markey D 13%
MN U.S. House-4 Betty McCollum DFL 13%
WA U.S. House-7 Jim McDermott D 13%
MA U.S. House-2 Jim McGovern D 13%
Cynthia Ann McKinney Other 13%
Juanita Millender-McDonald Other 13%
CA U.S. House-11 George Miller D 13%
WA U.S. Senate-Sr Patty Murray D 13%
CA U.S. House-32 Grace Napolitano D 13%
MA U.S. House-1 Richard Neal D 13%
Jim Oberstar Other 13%
Major Owens Other 13%
NJ U.S. House-6 Frank Pallone, Jr. D 13%
NJ U.S. House-9 Bill Pascrell, Jr. D 13%
Donald Payne Other 13%
CA U.S. House-38 Linda Sánchez D 13%
CA U.S. House-28 Adam Schiff D 13%
PA U.S. House-13 Allyson Schwartz D 13%
NY U.S. House-15 José Serrano D 13%
Hilda Solis Other 13%
MA U.S. House-6 John Tierney D 13%
IN U.S. House-1 Pete Visclosky D 13%
CA U.S. House-33 Henry Waxman D 13%
OR U.S. Senate-Sr Ron Wyden D 13%
NJ U.S. House-1 Rob Andrews D 11%
James Davis Other 11%
Robert Wexler Other 10%
CA U.S. Senate-Jr Barbara Boxer D 9%
Hillary Clinton Other 9%
MN Governor Mark Dayton DFL 9%
PA U.S. House-2 Chaka Fattah, Sr. D 9%
CA U.S. Senate-Sr Dianne Feinstein D 9%
IA U.S. Senate-Jr Tom Harkin D 9%
FL U.S. House-20 Alcee Hastings, Sr. D 9%
NA U.S. Secretary of State John Kerry D 9%
VT U.S. Senate-Sr Patrick Leahy D 9%
MD U.S. Senate-Sr Barbara Mikulski D 9%
NY U.S. House-10 Jerry Nadler D 9%
NA President Barack Obama II D 9%
RI U.S. Senate-Sr Jack Reed D 9%
NV U.S. Senate-Sr Harry Reid D 9%
IL U.S. House-9 Jan Schakowsky D 9%
NY U.S. Senate-Sr Chuck Schumer D 9%
MI U.S. Senate-Jr Debbie Stabenow D 9%
CA U.S. House-43 Maxine Waters D 9%
MA U.S. House-7 Mike Capuano D 8%
Maurice Hinchey Other 8%
Jesse Jackson, Jr. Other 8%
Brad Miller Other 8%
John Olver Other 8%
AZ U.S. House-7 Ed Pastor D 8%
VA U.S. House-3 Bobby Scott D 8%
Pete Stark Other 8%
Lynn Woolsey Other 8%
CA U.S. House-12 Nancy Pelosi D 5%
NC U.S. House-12 Mel Watt D 5%
IL U.S. Senate-Sr Dick Durbin D 4%
Edward Kennedy, Sr. Other 4%
Frank Lautenberg Other 4%
Martin Olav Sabo Other 4%
Paul Sarbanes Other 4%

How to Interpret these Evaluations

Keep in mind that ratings done by special interest groups often do not represent a non-partisan stance. In addition, some groups select votes that tend to favor members of one political party over another, rather than choosing votes based solely on issues concerns. Nevertheless, they can be invaluable in showing where an incumbent has stood on a series of votes in the past one or two years, especially when ratings by groups on all sides of an issue are compared. Website links, if available, and descriptions of the organizations offering performance evaluations are accessible by clicking on the name of the group.

Most performance evaluations are displayed in a percentage format. However, some organizations present their ratings in the form of a letter grade or endorsement based on voting records, interviews, survey results and/or sources of campaign funding. For consistency and ease in understanding, Project Vote Smart converts all scores into a percentage when possible. Please visit the group's website or call 1-888-VOTESMART for more specific information.