Lifetime Rating
82%
Chuck Grassley
Senator · Republican
CPAC Rating History
Annual CPAC RatingLifetime RatingRepublican Senate Avg
Voting Record
20 votes shown
Annual CPAC Ratings
| Year | CPAC Rating | Award | Lifetime Rating |
|---|---|---|---|
| 2025 | 76% | — | 82% |
| 2024 | 68% | — | 83% |
| 2023 | 73% | — | 83% |
| 2022 | 75% | — | 83% |
| 2021 | 77% | — | 83% |
| 2020 | 77% | — | 83% |
| 2019 | 79% | — | 84% |
| 2018 | 82% | Conservative Achievement | 84% |
| 2017 | 80% | Conservative Achievement | 84% |
| 2016 | 69% | — | 84% |
| 2015 | 92% | Conservative Excellence | 84% |
| 2014 | 92% | Conservative Excellence | 84% |
| 2013 | 88% | Conservative Achievement | 84% |
| 2012 | 72% | — | 84% |
| 2011 | 90% | Conservative Excellence | 84% |
| 2010 | 88% | Conservative Achievement | 84% |
| 2009 | 96% | Conservative Excellence | 84% |
| 2008 | 76% | — | 83% |
| 2007 | 84% | Conservative Achievement | 84% |
| 2006 | 88% | Conservative Achievement | 84% |
| 2005 | 96% | Conservative Excellence | 83% |
| 2004 | 96% | Conservative Excellence | 83% |
| 2003 | 80% | Conservative Achievement | 83% |
| 2002 | 95% | Conservative Excellence | 83% |
| 2001 | 92% | Conservative Excellence | 82% |
| 2000 | 96% | Conservative Excellence | 82% |
| 1999 | 92% | Conservative Excellence | 81% |
| 1998 | 80% | Conservative Achievement | 81% |
| 1997 | 80% | Conservative Achievement | 81% |
| 1996 | 90% | Conservative Excellence | 81% |
| 1995 | 91% | Conservative Excellence | 80% |
| 1994 | 92% | Conservative Excellence | 80% |
| 1993 | 88% | Conservative Achievement | 79% |
| 1992 | 74% | — | 79% |
| 1991 | 81% | Conservative Achievement | 79% |
| 1990 | 87% | Conservative Achievement | 79% |
| 1989 | 86% | Conservative Achievement | 78% |
| 1988 | 88% | Conservative Achievement | 78% |
| 1987 | 81% | Conservative Achievement | 77% |
| 1986 | 70% | — | 77% |
| 1985 | 57% | — | 77% |
| 1984 | 73% | — | 79% |
| 1983 | 64% | — | 80% |
| 1982 | 60% | — | 82% |
| 1981 | 87% | Conservative Achievement | 85% |
| 1980 | 71% | — | 85% |
| 1979 | 86% | Conservative Achievement | 88% |
| 1978 | 96% | Conservative Excellence | 88% |
| 1977 | 95% | Conservative Excellence | 85% |
| 1976 | 86% | Conservative Achievement | 81% |
| 1975 | 75% | — | 75% |
- Year
- 2025
- CPAC Rating
- 76%
- Lifetime Rating
- 82%
- Year
- 2024
- CPAC Rating
- 68%
- Lifetime Rating
- 83%
- Year
- 2023
- CPAC Rating
- 73%
- Lifetime Rating
- 83%
- Year
- 2022
- CPAC Rating
- 75%
- Lifetime Rating
- 83%
- Year
- 2021
- CPAC Rating
- 77%
- Lifetime Rating
- 83%
- Year
- 2020
- CPAC Rating
- 77%
- Lifetime Rating
- 83%
- Year
- 2019
- CPAC Rating
- 79%
- Lifetime Rating
- 84%
- Year
- 2018
- CPAC Rating
- 82%
- Lifetime Rating
- 84%
Conservative Achievement
- Year
- 2017
- CPAC Rating
- 80%
- Lifetime Rating
- 84%
Conservative Achievement
- Year
- 2016
- CPAC Rating
- 69%
- Lifetime Rating
- 84%
- Year
- 2015
- CPAC Rating
- 92%
- Lifetime Rating
- 84%
Conservative Excellence
- Year
- 2014
- CPAC Rating
- 92%
- Lifetime Rating
- 84%
Conservative Excellence
- Year
- 2013
- CPAC Rating
- 88%
- Lifetime Rating
- 84%
Conservative Achievement
- Year
- 2012
- CPAC Rating
- 72%
- Lifetime Rating
- 84%
- Year
- 2011
- CPAC Rating
- 90%
- Lifetime Rating
- 84%
Conservative Excellence
- Year
- 2010
- CPAC Rating
- 88%
- Lifetime Rating
- 84%
Conservative Achievement
- Year
- 2009
- CPAC Rating
- 96%
- Lifetime Rating
- 84%
Conservative Excellence
- Year
- 2008
- CPAC Rating
- 76%
- Lifetime Rating
- 83%
- Year
- 2007
- CPAC Rating
- 84%
- Lifetime Rating
- 84%
Conservative Achievement
- Year
- 2006
- CPAC Rating
- 88%
- Lifetime Rating
- 84%
Conservative Achievement
- Year
- 2005
- CPAC Rating
- 96%
- Lifetime Rating
- 83%
Conservative Excellence
- Year
- 2004
- CPAC Rating
- 96%
- Lifetime Rating
- 83%
Conservative Excellence
- Year
- 2003
- CPAC Rating
- 80%
- Lifetime Rating
- 83%
Conservative Achievement
- Year
- 2002
- CPAC Rating
- 95%
- Lifetime Rating
- 83%
Conservative Excellence
- Year
- 2001
- CPAC Rating
- 92%
- Lifetime Rating
- 82%
Conservative Excellence
- Year
- 2000
- CPAC Rating
- 96%
- Lifetime Rating
- 82%
Conservative Excellence
- Year
- 1999
- CPAC Rating
- 92%
- Lifetime Rating
- 81%
Conservative Excellence
- Year
- 1998
- CPAC Rating
- 80%
- Lifetime Rating
- 81%
Conservative Achievement
- Year
- 1997
- CPAC Rating
- 80%
- Lifetime Rating
- 81%
Conservative Achievement
- Year
- 1996
- CPAC Rating
- 90%
- Lifetime Rating
- 81%
Conservative Excellence
- Year
- 1995
- CPAC Rating
- 91%
- Lifetime Rating
- 80%
Conservative Excellence
- Year
- 1994
- CPAC Rating
- 92%
- Lifetime Rating
- 80%
Conservative Excellence
- Year
- 1993
- CPAC Rating
- 88%
- Lifetime Rating
- 79%
Conservative Achievement
- Year
- 1992
- CPAC Rating
- 74%
- Lifetime Rating
- 79%
- Year
- 1991
- CPAC Rating
- 81%
- Lifetime Rating
- 79%
Conservative Achievement
- Year
- 1990
- CPAC Rating
- 87%
- Lifetime Rating
- 79%
Conservative Achievement
- Year
- 1989
- CPAC Rating
- 86%
- Lifetime Rating
- 78%
Conservative Achievement
- Year
- 1988
- CPAC Rating
- 88%
- Lifetime Rating
- 78%
Conservative Achievement
- Year
- 1987
- CPAC Rating
- 81%
- Lifetime Rating
- 77%
Conservative Achievement
- Year
- 1986
- CPAC Rating
- 70%
- Lifetime Rating
- 77%
- Year
- 1985
- CPAC Rating
- 57%
- Lifetime Rating
- 77%
- Year
- 1984
- CPAC Rating
- 73%
- Lifetime Rating
- 79%
- Year
- 1983
- CPAC Rating
- 64%
- Lifetime Rating
- 80%
- Year
- 1982
- CPAC Rating
- 60%
- Lifetime Rating
- 82%
- Year
- 1981
- CPAC Rating
- 87%
- Lifetime Rating
- 85%
Conservative Achievement
- Year
- 1980
- CPAC Rating
- 71%
- Lifetime Rating
- 85%
- Year
- 1979
- CPAC Rating
- 86%
- Lifetime Rating
- 88%
Conservative Achievement
- Year
- 1978
- CPAC Rating
- 96%
- Lifetime Rating
- 88%
Conservative Excellence
- Year
- 1977
- CPAC Rating
- 95%
- Lifetime Rating
- 85%
Conservative Excellence
- Year
- 1976
- CPAC Rating
- 86%
- Lifetime Rating
- 81%
Conservative Achievement
- Year
- 1975
- CPAC Rating
- 75%
- Lifetime Rating
- 75%

