State University of New York at Stony Brook's Regular Decision acceptance rate for the application year 2027 is 49%, with 17,269 out of 35,239 applicants receiving admission. This marks a consistent acceptance rate of 49% compared to the previous year, and it has remained steady across recent application years, including 49% in 2026 and 2024, and 48% in 2025. Notably, there was a significant drop in the acceptance rate to 41% for the application year 2022, highlighting an increasing competitiveness in prior years. The data indicates that applicants can expect a competitive environment, but recent statistics suggest stability in acceptance rates.