Partisan Trends: Republicans 35.7%, Democrats 33.8%, Unaffiliateds 30.5%
The number of Democrats and Republicans in the United States increased slightly in May, with voters in President Obama’s party now at their highest level this year. During May, 35.7% of Americans considered themselves Republicans. That’s up from 35.1% in April, the lowest level measured since November of last year.
Rasmussen Reports tracks this information based on telephone interviews with approximately 15,000 adults per month since November 2002. The margin of error for the full sample is less than one percentage point, with a 95% level of confidence.