This report provides statistical tables on the age group and sex of full-time and part-time graduate and undergraduate students in the State University of New York (SUNY) system for Fall 1990. Part I contains data for the entire system including headcount tables with corresponding percent distribution arrays. Part II shows headcount and percentage arrays of student by age group for each institution and institution type with tables for undergraduates, graduates and first-time students by load (full or part-time). Part III summarizes historical trend data on all students from Fall 1984 through Fall 1990 grouped in sections by level with headcount and percentage distributions for total, full, and part-time students. Sex trend tables are available for all standard institutional clusters. Part IV provides age and sex trend by level and load indexed to Fall 1984 and divided into two age groups: under 25 and 25 and over. Part V displays change and percent of change in the age and sex trend by student level. Appendixes contain a map locating the institutions of the State University, a chronology of dates of establishment of SUNY institutions, and a list of publications from the Central Staff Office of Institutional Research. (JB)