...If voters in their teens and 20s vote in greater numbers than usual, as many promised during nationwide marches for gun control this spring, the groundswell could affect close races in key states like Arizona and Florida, where there will be competitive races for governor, the Senate and a number of House districts in November.
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Voter data for March and April show that young registrants represented a higher portion of new voters in Florida, North Carolina, and Pennsylvania, among other states. In Florida, voters under 26 jumped from less than 20 percent of new registrants in January and February to nearly 30 percent by March, the month of the gun control rallies. That ticked down to about 25 percent in April, as the demonstrations subsided, but registration of young voters remained above the pace set before 17 students and faculty were killed at Marjory Stoneman Douglas High School in Parkland.
In North Carolina, voters under 25 represented around 30 percent of new registrations in January and February; in March and April, they were around 40 percent.