
Northern Illinois University's overall acceptance rate for the 2023 application year is 70.4%, with 24,177 applicants and 17,033 accepted. This rate is slightly down from 70.65% in 2022, a year that saw 25,961 applicants and 18,348 acceptances. Looking back further, the acceptance rates have shown an upward trend from 50.3% in 2015 to a peak of 70.65% in 2022, although there was a notable dip to 59.2% in 2020. The recent data suggests that while acceptance rates have generally stabilized in the 70% range, there is still substantial variability influenced by applicant numbers.