
Adelphi University's Regular Decision acceptance rate for the application year 2024 stands at 66%, with 12,985 of 19,700 applicants admitted. This marks a decrease from the previous year's acceptance rate of 78% for the application year 2023, where 13,263 out of 17,111 applicants were accepted. Additionally, acceptance rates have fluctuated over recent years, with rates of 73% in 2022 and 77% in 2021. Historically, the trend indicates a gradual decline in acceptance rates, dropping from 75% in 2020 and experiencing a slight increase from 70% in 2016 to 72% in 2015.