Partisan Trends: Number of Democrats Falls to New Low as More Americans Identify as Republican by Publius 3 Feb 2012 post a comment Share This: The number of Republicans in the country inched up half a percentage point in January, while the number of Democrats, 32.5%, dipped to the lowest level ever recorded by Rasmussen Reports. During January, 35.9% of Americans considered themselves Republicans. That’s up from 35.4% in December and the highest number of Republicans measured since December 2010. Rasmussen Reports tracks this information based on telephone interviews with approximately 15,000 adults per month and has been doing so since November 2002. The margin of error for the full sample is less than one percentage point, with a 95% level of confidence. Read more at Rasmussen Reports.