Glossary

Likely R / Likely D

A Likely R or Likely D rating means the favored party should win unless something unusual happens — a candidate scandal, a national wave, a structural surprise that the rating does not anticipate.

Likely races are not where chambers flip. They are where parties shore up their floor, defend incumbents who have outperformed their districts, and hold seats that look safer than they are. Campaigns in Likely-rated races still spend money, but the spending is defensive — keeping the seat off the radar of the other party’s national committee, not contesting territory.

A race moving out of Likely is a meaningful signal: the favored party’s advantages have eroded enough that opposing investment is now justified. Tracking which races shift from Likely to Lean (or the reverse) over a cycle reveals where the campaign environment is actually moving.