"A 1986 UNC System policy mandates that no more than 18 percent of out-of-state first-year undergraduate students may enroll on most UNC campuses.
UNC-Chapel Hill received 57,219 first-year applications for fall 2022. The overall acceptance rate was 16.8 percent – 43.1 percent for North Carolina applicants and 8.2 percent for out-of-state applicants"
https://admissionslawsuit.unc.edu/about/admissions/