Seats or chambers held by the president’s party, including U.S. Senate independents who caucused with the president’s party. Legislatures with split partisan control excluded.
-- Louis Jacobson for Governing
Period | U.S. Senate | U.S. House | ||
Clinton inaugurated, 1993 | 57 | 258 | 30 | 22 |
After Clinton’s sixth-year midterm, 1999 | 45 | 211 | 17 | 16 |
After Clinton left office, 2001 | 50 | 212 | 19 | 16 |
Bush inaugurated, 2001 | 50 | 221 | 29 | 21 |
After Bush’s sixth-year midterm, 2007 | 49 | 199 | 22 | 14 |
After Bush left office, 2009 | 41 | 178 | 22 | 14 |
Obama inaugurated, 2009 | 59 | 257 | 28 | 27 |
After Obama’s sixth-year midterm, 2015 | 46 | 188 | 18 | 11 |
Clinton six-year net loss | -12 | -47 | -13 | -6 |
Clinton percentage loss | -21 percent | -18 percent | -43 percent | -27 percent |
Bush six-year net loss | -1 | -22 | -7 | -7 |
Bush percentage loss | -2 percent | -10 percent | -24 percent | -33 percent |
Obama six-year net loss | -13 | -69 | -10 | -16 |
Obama percentage loss | -22 percent | -27 percent | -36 percent | -59 percent |
Clinton eight-year net loss | -7 | -46 | -11 | -6 |
Clinton percentage loss | -12 percent | -18 percent | -37 percent | -27 percent |
Bush eight-year net loss | -9 | -43 | -7 | -7 |
Bush percentage loss | -18 percent | -19 percent | -24 percent | -33 percent |