Sen. Charles “Chuck” Grassley

Senator from Iowa

Republican

Senior Senator

Elected Positions

Dates	Title	State / District
1981-2016	Senator	Iowa
1975-1980	Representative	Iowa's 3^rd District

Track Him

2014 Report Card

Read our 2014 Report Card for Grassley »

Sponsorship Analysis

Our unique analysis of the bills Grassley has sponsored and cosponsored provides insight into his position in the Senate.

Each dot in the chart below is a member of the Senate. The dots are positioned horizontally according to our progressive—conservative ideology score and vertically according to our leadership score (leaders toward the top). Grassley is shown as a purple triangle. (analysis methodology)

Committee Membership

Charles “Chuck” Grassley sits on the following committees:

Chairman, Senate Committee on the Judiciary
- Member, Subcommittee on Antitrust, Competition Policy and Consumer Rights
- Member, Subcommittee on Immigration and the National Interest
- Member, Subcommittee on Oversight, Agency Action, Federal Rights and Federal Courts
Chairman, United States Senate Caucus on International Narcotics Control
Joint Committee on Taxation
Senate Committee on Agriculture, Nutrition, and Forestry
- Member, Subcommittee on Commodities, Risk Management and Trade
- Member, Subcommittee on Conservation, Forestry and Natural Resources
- Member, Subcommittee on Livestock, Marketing and Agriculture Security
Senate Committee on the Budget
Senate Committee on Finance
- Member, Subcommittee on Energy, Natural Resources, and Infrastructure
- Member, Subcommittee on Health Care
- Member, Subcommittee on International Trade, Customs, and Global Competitiveness

Bills Sponsored

Some of Grassley’s most recently sponsored bills include...

View All » (including bills from previous years)

Voting Record

From Jan 1981 to Feb 2015, Grassley missed 35 of 11,792 roll call votes, which is 0.3%. This is better than the median of 1.6% among the lifetime records of senators currently serving. The chart below reports missed votes over time.

Show the numbers...

Time Period	Votes Elligible	Missed Votes	Percent	Percentile
1981 Jan-Mar	57	0	0.0%	0^th
1981 Apr-Jun	125	0	0.0%	0^th
1981 Jul-Sep	121	5	4.1%	50^th
1981 Oct-Dec	193	0	0.0%	0^th
1982 Feb-Mar	79	3	3.8%	50^th
1982 Apr-Jun	127	0	0.0%	0^th
1982 Jul-Sep	177	0	0.0%	0^th
1982 Oct-Dec	86	0	0.0%	0^th
1983 Feb-Mar	54	0	0.0%	0^th
1983 Apr-Jun	122	1	0.8%	50^th
1983 Jul-Sep	92	2	2.2%	25^th
1983 Oct-Nov	102	0	0.0%	0^th
1984 Jan-Mar	45	0	0.0%	0^th
1984 Apr-Jun	144	1	0.7%	0^th
1984 Jul-Sep	68	4	5.9%	50^th
1984 Oct-Oct	34	2	5.9%	25^th
1985 Jan-Mar	22	0	0.0%	0^th
1985 Apr-Jun	116	1	0.9%	20^th
1985 Jul-Sep	60	0	0.0%	0^th
1985 Oct-Dec	183	2	1.1%	0^th
1986 Jan-Mar	51	0	0.0%	0^th
1986 Apr-Jun	103	0	0.0%	0^th
1986 Jul-Sep	149	1	0.7%	40^th
1986 Oct-Oct	56	0	0.0%	0^th
1987 Jan-Mar	50	1	2.0%	33^rd
1987 Apr-Jun	123	0	0.0%	0^th
1987 Jul-Sep	120	0	0.0%	0^th
1987 Oct-Dec	127	4	3.1%	33^rd
1988 Jan-Mar	84	3	3.6%	44^th
1988 Apr-Jun	137	0	0.0%	0^th
1988 Jul-Sep	127	0	0.0%	0^th
1988 Oct-Oct	31	0	0.0%	0^th
1989 Jan-Mar	26	0	0.0%	0^th
1989 Apr-Jun	77	0	0.0%	0^th
1989 Jul-Sep	118	0	0.0%	0^th
1989 Oct-Nov	91	0	0.0%	0^th
1990 Jan-Mar	48	0	0.0%	0^th
1990 Apr-Jun	95	1	1.1%	60^th
1990 Jul-Sep	114	0	0.0%	0^th
1990 Oct-Oct	69	0	0.0%	0^th
1991 Jan-Mar	41	0	0.0%	0^th
1991 Apr-Jun	74	0	0.0%	0^th
1991 Jul-Sep	96	0	0.0%	0^th
1991 Oct-Nov	69	0	0.0%	0^th
1992 Jan-Mar	61	0	0.0%	0^th
1992 Apr-Jun	74	0	0.0%	0^th
1992 Jul-Sep	117	0	0.0%	0^th
1992 Oct-Oct	18	0	0.0%	0^th
1993 Feb-Mar	93	0	0.0%	0^th
1993 Apr-Jun	99	0	0.0%	0^th
1993 Jul-Sep	109	4	3.7%	77^th
1993 Oct-Nov	94	0	0.0%	0^th
1994 Jan-Mar	86	0	0.0%	0^th
1994 Apr-Jun	92	0	0.0%	0^th
1994 Jul-Sep	136	0	0.0%	0^th
1994 Oct-Dec	15	0	0.0%	0^th
1995 Jan-Mar	125	0	0.0%	0^th
1995 Apr-Jun	171	0	0.0%	0^th
1995 Jul-Sep	184	0	0.0%	0^th
1995 Oct-Dec	133	0	0.0%	0^th
1996 Jan-Mar	60	0	0.0%	0^th
1996 Apr-Jun	122	0	0.0%	0^th
1996 Jul-Sep	121	0	0.0%	0^th
1996 Oct-Oct	3	0	0.0%	0^th
1997 Jan-Mar	35	0	0.0%	0^th
1997 Apr-Jun	125	0	0.0%	0^th
1997 Jul-Sep	103	0	0.0%	0^th
1997 Oct-Nov	35	0	0.0%	0^th
1998 Jan-Mar	52	0	0.0%	0^th
1998 Apr-Jun	131	0	0.0%	0^th
1998 Jul-Sep	109	0	0.0%	0^th
1998 Oct-Oct	22	0	0.0%	0^th
1999 Jan-Mar	81	0	0.0%	0^th
1999 Apr-Jun	111	0	0.0%	0^th
1999 Jul-Sep	112	0	0.0%	0^th
1999 Oct-Nov	70	0	0.0%	0^th
2000 Feb-Mar	51	0	0.0%	0^th
2000 Apr-Jun	120	0	0.0%	0^th
2000 Jul-Sep	89	0	0.0%	0^th
2000 Oct-Dec	38	0	0.0%	0^th
2001 Jan-Mar	63	0	0.0%	0^th
2001 Apr-Jun	157	0	0.0%	0^th
2001 Jul-Sep	68	0	0.0%	0^th
2001 Oct-Dec	92	0	0.0%	0^th
2002 Jan-Mar	59	0	0.0%	0^th
2002 Apr-Jun	107	0	0.0%	0^th
2002 Jul-Sep	61	0	0.0%	0^th
2002 Oct-Nov	26	0	0.0%	0^th
2003 Jan-Mar	112	0	0.0%	0^th
2003 Apr-Jun	150	0	0.0%	0^th
2003 Jul-Sep	108	0	0.0%	0^th
2003 Oct-Nov	89	0	0.0%	0^th
2004 Jan-Mar	64	0	0.0%	0^th
2004 Apr-Jun	88	0	0.0%	0^th
2004 Jul-Sep	42	0	0.0%	0^th
2004 Oct-Dec	22	0	0.0%	0^th
2005 Jan-Mar	81	0	0.0%	0^th
2005 Apr-Jun	89	0	0.0%	0^th
2005 Jul-Sep	76	0	0.0%	0^th
2005 Oct-Dec	120	0	0.0%	0^th
2006 Jan-Mar	83	0	0.0%	0^th
2006 Apr-Jun	107	0	0.0%	0^th
2006 Jul-Sep	73	0	0.0%	0^th
2006 Nov-Dec	16	0	0.0%	0^th
2007 Jan-Mar	126	0	0.0%	0^th
2007 Apr-Jun	112	0	0.0%	0^th
2007 Jul-Sep	119	0	0.0%	0^th
2007 Oct-Dec	85	0	0.0%	0^th
2008 Jan-Mar	85	0	0.0%	0^th
2008 Apr-Jun	77	0	0.0%	0^th
2008 Jul-Sep	47	0	0.0%	0^th
2008 Oct-Dec	6	0	0.0%	0^th
2009 Jan-Mar	118	0	0.0%	0^th
2009 Apr-Jun	96	0	0.0%	0^th
2009 Jul-Sep	89	0	0.0%	0^th
2009 Oct-Dec	94	0	0.0%	0^th
2010 Jan-Mar	108	0	0.0%	0^th
2010 Apr-Jun	96	0	0.0%	0^th
2010 Jul-Sep	44	0	0.0%	0^th
2010 Nov-Dec	51	0	0.0%	0^th
2011 Jan-Mar	46	0	0.0%	0^th
2011 Apr-Jun	58	0	0.0%	0^th
2011 Jul-Sep	49	0	0.0%	0^th
2011 Oct-Dec	82	0	0.0%	0^th
2012 Jan-Mar	63	0	0.0%	0^th
2012 Apr-Jun	109	0	0.0%	0^th
2012 Jul-Sep	28	0	0.0%	0^th
2012 Nov-Dec	50	0	0.0%	0^th
2013 Jan-Jan	1	0	0.0%	0^th
2013 Jan-Mar	92	0	0.0%	0^th
2013 Apr-Jun	76	0	0.0%	0^th
2013 Jul-Sep	43	0	0.0%	0^th
2013 Oct-Dec	80	0	0.0%	0^th
2014 Jan-Mar	93	0	0.0%	0^th
2014 Apr-Jun	123	0	0.0%	0^th
2014 Jul-Sep	54	0	0.0%	0^th
2014 Nov-Dec	96	0	0.0%	0^th
2015 Jan-Feb	63	0	0.0%	0^th

Primary Sources

The information on this page is originally sourced from a variety of materials, including:

The House and Senate websites, for committee membership and voting records
Congressional Biographical Directory for elected positions
United States Congressional Roll Call Voting Records, 1789-1990 by Howard L. Rosenthal and Keith T. Poole.
Martis’s “The Historical Atlas of Political Parties in the United States Congress”, via Keith Poole’s roll call votes data set, for political party affiliation for Members of Congress from 1789 through about year 2000
GPO Member Guide for the photo
THOMAS, for sponsored bills