Since early 2007, Democrats have consistently followed campaign news more closely than have Republicans, and if anything the gap is widening. In June, 55% of Democrats were following campaign news "very closely," compared with 44% of Republicans. The end of the historic Democratic primary has done nothing to close the interest gap. There was little to no partisan difference in following campaign news in June 2004.
The Daily Number is a statistic, updated every weekday and typically drawn from Pew Research Center project findings, that highlights an important trend.