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Senate Overview|By Jennifer Duffy, January 20, 2017

Early retirement announcements have become the norm over the last few cycles. Strategists in both parties believe that the sooner an incumbent announces the intention to retire, the sooner the parties can recruit candidates and the sooner those candidates can begin fundraising and putting their campaigns together. So far, the 2018 class of Senate incumbents appears to be bucking this trend....

Louisiana Senate|By Jennifer Duffy, December 9, 2016

The 2016 Senate race cycle comes to a close Saturday when Louisiana holds its run-off election between Republican state Treasurer John Kennedy and Democratic Public Service Commissioner Foster Campbell. The run-off has been so quiet and free of conflict that it’s easy to forget that it is on the calendar.

Senate Overview|By Jennifer Duffy, December 9, 2016

Contests for the U.S. Senate aren’t heating up quite as fast as those for Governor in 2018, but that doesn’t mean it will be a quiet cycle.

Senate Overview|By Jennifer Duffy, December 8, 2016

This list of potential candidates for the /2018 election is highly speculative and contains names that have been mentioned as either publicly or privately considering candidacies, or worthy of consideration as candidates or recruiting prospects by the parties or interest groups.

Missouri Senate|By Jennifer Duffy, September 30, 2016

A Republican Senate incumbent defending a seat in Missouri is not typically a candidate for the Toss Up column, even in a presidential year, but that’s exactly where first-term U.S. Sen. Roy Blunt has landed.

Senate Dashboard

Seats Up in 2016 Toss Up Lean D Likely D Solid D Seats Up in 2018 Seats Up in 2020
Democrats (49) 13 3 1 1 8 25 11
Republicans (51) 21 4 3 3 11 8 22
Toss Up Lean R Likely R Solid R

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  • At-A-Glance
    A listing of candidates and race ratings in all current Senate races. Updated weekly and printable for on-the-run reference.
    Updated 03:29 PM, Jan 23
  • Race Ratings
    The Cook Political Report's latest ratings for all competitive and potentially competitive Senate seats.
    Updated 05:47 PM, Jan 9
  • General Election Polls
    A selection of public opinion polling in Senate general election contests across the nation.
  • Primary Trial Heats
    A selection of public opinion polling in Senate primary election contests across the nation.
    Updated 08:00 AM, Sep 12
  • FEC Report
    A summary of key financial information filed by Senate candidates with the Federal Election Commission.
    Updated 06:58 AM, Nov 4
  • 2014 Battleground Chart
    2014 Senate Races: Romney Performance vs. Obama Performance
    November 12, 2012
  • 2012 Senate General Election Polls with Final Results
    A collection of polling data from the 2012 cycle, with final general election results included.
  • Two-Term Presidents: Post-WWII Partisan Trends
    Opposing party gains under and following second term presidents.
  • Senate Scatterplot
    The Cook Political Report Senate Scatterplot for Republican and Democratic held states by win percentage and PVI.
  • Senate: 2014 55% and Under Charts
    The chart below displays Senators up for reelection in 2014 who won with less than 55% of the vote in 2008.

Jennifer Duffy, Senior Editor

Jennifer Duffy is Senior Editor for The Cook Political Report, where she is responsible for U.S. Senate and Governors races.
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