Below, “Total Votes Cast” represents the number of early mail-in and in-person votes reported as of Tuesday. “Party Registration Breakdown” shows the party affiliation of these early voters in states where that information is available. The “Analysis” section compares these two categories to their 2008 early-voting counterparts. …

COLORADO

Total Votes Cast: 965,510

Party Registration Breakdown: Democratic 35.6%, Republican 38.4%, None/Other 26.0%

Analysis: In 2008, registered Democrats outnumbered Republicans by a 1.8 percentage point margin and Obama won the state by 8.9 percentage points. In 2012, the 2.5 percentage point advantage for registered Republicans indicates the state will be more closely contested than ’08.