Sen. Mark Udall

Former Senator from Colorado, Democrat

Udall, a Democrat, was a senator from Colorado from 2009 to 2014.

He was previously the representative for Colorado's 2nd congressional district (1999-2008).



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

Each dot in the chart below was a member of the Senate in 2014. The dots are positioned horizontally according to our progressive—conservative ideology score and vertically according to our leadership score (leaders toward the top). Udall is shown as a purple triangle. (analysis methodology)

2014 Statistics

Read our 2014 Report Card for Udall for more statistics.

Bills Sponsored

Issue Areas

Udall sponsored bills primarily in these issue areas:

Public Lands and Natural Resources (33%) Armed Forces and National Security (18%) Energy (17%) Taxation (10%) Health (7%) Finance and Financial Sector (7%) Economics and Public Finance (4%) Emergency Management (4%)

Recent Bills

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

View All » (including bills from previous years)

Voting Record

Missed Votes

From Jan 2009 to Dec 2014, Udall missed 52 of 1,839 roll call votes, which is 2.8%. This is on par with the median of 2.1% among the lifetime records of senators serving in Dec 2014. ProPublica has tracked 50 explanations for these missed votes. 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: