Columbia University's Regular Decision acceptance rate for the Class of 2028 stands at 4.44%, with 16,624 out of 36,560 applicants admitted. This marks a slight increase from 3.93% in the previous application year (2024), where 2,246 were accepted from 57,129 applicants. Historical data shows a downward trend in acceptance rates over the last several years, with rates declining from 6.15% in 2020 to the current figure. The consistent increase in applicant volume reflects the growing competitiveness of Columbia's admissions landscape.