This report presents fall 1998 enrollment data for the North Dakota University System. Data are presented in 18 tables and 2 figures; definitions and institutional abbreviations are included in the introductory material. The tables provide information on: (1) headcount enrollment; (2) full-time enrollment; (3) total student credit hours of part-time students; (4) full-time-equivalent enrollment of part-time students; (5) total of full-time enrollment and full-time-equivalent enrollment of part-time students; (6) full-time-equivalent enrollment based on total student credit hours by level of students; (7) nonresident headcount undergraduate enrollment by state using students' reported home addresses; (8) headcount enrollment by tuition residency status; (9) nonresident headcount graduate and professional enrollment by state using students' reported home addresses; (10) headcount enrollment by county of residence for North Dakota students; (11) total in-state enrollment by county of origin; (12) in-state enrollment by county of origin by institution; (13) headcount enrollment by race; (14) headcount enrollment by citizenship, veteran status, sex, marital status, transfer status, and beginning freshmen; (15) total student credit hours by course level; (16) final fall enrollment report: 1989-98; (17) headcount enrollment by age; (18) private and tribal colleges in North Dakota headcount enrollment by race/ethnicity and sex. Figures show in-state enrollment by county of origin and headcount enrollment: 1960-98. (DB)