Current Year Rating: F (4%)
Previous Year Rankings:
| Name: | BIDEN J |
| Party: | D |
| State: | Delaware |
| 2007 Grade: | F |
| 2007 Score (in %): | 4% |
| 2007 Rank: | 94 |
| 2006 Grade: | F |
| 2006 Score (in %): | 11% |
| 2006 Rank: | 90 |
| 2005 Grade: | F |
| 2005 Score (in %): | 10% |
| 2005 Rank: | 76 |
| 2004 Grade: | F |
| 2004 Score (in %): | 15% |
| 2004 Rank: | 74 |
| 2003 Grade: | F |
| 2003 Score (in %): | 15% |
| 2003 Rank: | 94 |
| 2002 Grade: | F |
| 2002 Score (in %): | 15% |
| 2002 Rank: | 82 |
| 2001 Grade: | F |
| 2001 Score (in %): | 7% |
| 2001 Rank: | 80 |
| 2000 Grade: | F |
| 2000 Score (in %): | 22% |
| 2000 Rank: | 61 |
| 1999 Grade: | F |
| 1999 Score (in %): | 9% |
| 1999 Rank: | 73 |
| 1998 Grade: | F |
| 1998 Score (in %): | 15% |
| 1998 Rank: | 73 |
| 1997 Grade: | D |
| 1997 Score (in %): | 34% |
| 1997 Rank: | 65 |
| 1996 Grade: | C- |
| 1996 Score (in %): | 48% |
| 1996 Rank: | 55 |
| 1995 Grade: | D |
| 1995 Score (in %): | 30% |
| 1995 Rank: | 65 |
| 1994 Grade: | F |
| 1994 Score (in %): | 7% |
| 1994 Rank: | 100 |
| 1993 Grade: | F |
| 1993 Score (in %): | 17% |
| 1993 Rank: | 86 |
| 1992 Grade: | F |
| 1992 Score (in %): | 29% |
| 1992 Rank: | 74 |
