"Enrollment edge" refers to having an advantage or being ahead in the number of people who have registered or signed up for something, such as a course, program, or organization. Full definition
It's a bit of an uphill battle thanks to a big Democratic enrollment edge. (nystateofpolitics.com)
She may have had a slight Democratic voter enrollment edge in most races, but her margin of victory showed Republicans were crossing over and presumably voting against their core policy beliefs to support her. (nystateofpolitics.com)
The senator was leading 57 - 43 percent over Astorino with 81 percent of districts counted as of early this morning, despite a recent poll that showed the race to be a dead heat despite the Democrats» voter enrollment edge in the county. (nystateofpolitics.com)