Sen. Michael “Mike” Mansfield [D]

Former Senator from Montana

Elected Positions:

Dates Title State / District
1953-1976 Senator Montana
1943-1952 Representative Montana's 1st District

Sponsorship Analysis

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

Each dot in the chart below was a member of the Senate in 1976. The dots are positioned horizontally according to our progressive—conservative ideology score and vertically according to our leadership score (leaders toward the top). Mansfield is shown as a purple triangle. (analysis methodology)

Bills Sponsored

Issue Areas

Mansfield sponsored bills primarily in these issue areas:

Private Legislation (43%) Government Operations and Politics (22%) International Affairs (12%) Crime and Law Enforcement (6%) Economics and Public Finance (4%) Public Lands and Natural Resources (4%) Arts, Culture, Religion (4%) Agriculture and Food (4%)

Recent Bills

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

View All » (including bills from previous years)

Voting Record

From Jan 1953 to Oct 1976, Mansfield missed 1,155 of 7,342 roll call votes, which is 15.7%. This is worse than the median of 13.0% among the lifetime records of senators serving in Oct 1976. The chart below reports missed votes over time.

Show the numbers...

Primary Sources

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