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National Politics|By Charlie Cook, October 24, 2014

The prospects remain very tough for Democrats to hold onto their majority in the Senate, but there is a new scenario emerging—albeit still unlikely—that is turning the majority math a bit on its head. As I have said previously, Republicans need a net gain of six seats to take the majority. The question has generally been whether Republicans just need to knock off six Democratic seats to get...

National Politics|By Charlie Cook, October 21, 2014

With just a little more than two weeks to go before the midterm election, Democrats are increasingly in need of a break or two to salvage their Senate majority. In my National Journal Daily column a month ago (September 14), after suggesting that Republicans had a 60 percent chance of scoring the six-seat net gain necessary for a majority, I asked what might go wrong for the GOP that could...

Senate Overview|By Jennifer Duffy, October 17, 2014

New Hampshire: This contest between Democratic Sen. Jeanne Shaheen and former U.S. Sen. Scott Brown has tightened a good bit since the September 9 primary. There have been five polls taken in October that show Shaheen with leads of between one and six points. Shaheen only hit 50 percent in one of those surveys. According to the HuffPollster trend line, Shaheen has a 47.7-percent to...

National Politics|By Charlie Cook, October 17, 2014

Since March, I have been saying that Republicans had at least a 50 percent chance of retaking a Senate majority this year, and since July, I have upped that chance to 60 percent. There has been the normal ebb and flow of candidates' fortunes in many individual races since then, but the general direction of this election has remained pretty much the same. While the political environment is bad...

Michigan Senate|October 10, 2014

At the beginning of the cycle, this was the one open seat that Democrats weren’t all that worried about. The state tilts toward Democrats and they viewed former Secretary of State Terri Lynn Land as one of the weakest challengers Republicans could have recruited...

Senate Dashboard

Seats Up in 2014 Toss Up Lean D Likely D Solid D Seats Up in 2016 Seats Up in 2018
Democrats (54) 21 7 1 3 7 10 24
Republicans (45) 15 3 1 2 12 24 8
Toss Up Lean R Likely R Solid R

Senate Race Ratings Map

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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 07:08 AM, Oct 17
  • Race Ratings
    The Cook Political Report's latest ratings for all competitive and potentially competitive Senate seats.
    Updated 07:08 AM, Oct 17
  • 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 03:07 PM, Aug 1
  • 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 a Senior Editor for The Cook Political Report, where she is responsible for U.S. Senate and Governors races.
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