Year President/Congress Democrats
Republicans
Comments
| 1976 | President | Carter 50.1 | Ford | Watergate |
| House | 292 | 143 | ||
| Senate | 61 | 38 | ||
| 1978 | House | 276 | 157 | |
| Senate | 58 | 41 | ||
| 1980 | President | Carter | Reagan 50.7 | JAnderson, stagflation, hostages |
| House | 243 | 192 | ||
| Senate | 46 | 53 | ||
| 1982 | House | 269 | 165 | Recession |
| Senate | 46 | 54 | ||
| 1984 | President | Mondale | Reagan 58.8 | |
| House | 252 | 182 | ||
| Senate | 47 | 53 | ||
| 1986 | House | 258 | 177 | |
| Senate | 55 | 45 | ||
| 1988 | President | Dukakis | Bush 53.4 | Willy Horton, 50.2% turnout |
| House | 259 | 174 | ||
| Senate | 55 | 45 | ||
| 1990 | House | 267 | 167 | |
| Senate | 56 | 44 | ||
| 1992 | President | Clinton 43.0 | Bush | Perot 18.9, recession, 55% turnout |
| House | 258 | 167 | ||
| Senate | 57 | 43 | ||
| 1994 | House | 204 | 230 | Contract with America, 38.8% turnout |
| Senate | 48 | 52 | ||
| 1996 | President | Clinton 50 | Dole | Perot 8, turnout 49% |
| House | 207 | 227 | ||
| Senate | 45 | 55 | ||
| 1998 | House | 211 | 223 | 38% turnout |
| Senate | 45 | 55 |