May Party ID: Dem 47% Rep 43%, Dems in the Lead

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  • In the full month of May, 47% considered themselves Democrats or leaned Democrat, while 43% of voters considered themselves Republican or leaned Republican.
    • The number for Democrats has been at least 45% since January, and the Republicans are down 1 point from February and March.
    • Since January, the Democrats have led by at least 1 point, and this month, they lead by 4.
    • When leaners are removed, the Democrats and Republicans are closer at 37% and 36%, respectively.
  • From November 2024 through December 2025, Republicans held a party edge every month, except in April 2025, when tariffs were announced.
    • This Napolitan News survey is based upon interviews with 7,116 registered voters. A description of the dynamic party weighting methodology used to obtain these results is available here.
  • For more trends, see the Monthly Party ID page. See also the April, March, and February results.

This data is from a Napolitan News Service survey of 7,116 Registered Voters conducted online by Scott Rasmussen, May 2026. RMG Research, Inc., conducted the field work for the survey. It has a margin of error of +/- 1.2.