Comprehensive data on the age grouo and sex of students attending the State University of New York are presented. Twenty-two statistical tables contain summary data for the entire system and each institutional type within the system. Seventy-seven tables contain headcount arrays of students by age group, sex, graduate and undergraduate enrollment level, and full-time and part-time enrollment for each individual institution of the system. Twenty-seven tables contain summarized historical trend data on all students from fall 1974 through fall 1978 and additional trend data on first-time, full-time students from fall 1975 through fall 1978. All of the later data is presented as percent distributions. Data are also presented on the age group of first-time full-time students at each state university institution during the fall of 1978. Additionally, there is a map locating the institutions of the state university. (SW)