A total of 188,248 students enroll in Top National Universities. Gender Breakdown: of the total student body, 47.94% are male (90,251) and 52.06% are female (97,997). There are an average of 92.10 male students per 100 female students in Top National Universities. California Institute of Technology has the highest ratio of male students with 150.26 per 100 female students, while University of Pennsylvania has the lowest ratio of male students with 79.33 per 100 female students among Top National Universities. Largest and Smallest: The average student population of Top National Universities is 18,825. Columbia University in the City of New York is the largest with 35,173 students, and California Institute of Technology is the smallest with 2,430 students among Top National Universities.Student level: There are 69,660 undergraduate students in Top National Universities, 37.00% of the student body. Graduate students account for 63.00% of the total students. Of the Top National Universities, University of Pennsylvania has the most number of undergraduate students of 11,478, and Columbia University in the City of New York has the most number of graduate students of 26,009.Distance Learning: There are an average of 2.99% undergraduate students enrolled online and 10.20% graduate students enrolled online in Top National Universities. Harvard University has the most online enrollment with 7,584 students, while Yale University has the least with 38 students among Top National Universities. Table. Top National Universities Student Population Comparison RankSchoolTotalBy GenderBy LevelOnline Enrollment MenWomenUndergraduateGraduateUndergraduateGraduate 1Stanford UniversityStanford, CA18,6259,6678,9587,90410,721350- 2Harvard UniversityCambridge, MA30,25913,81216,4478,84421,4151,0476,537 3Massachusetts Institute of TechnologyCambridge, MA11,8866,6505,2364,5357,351-46 4Princeton UniversityPrinceton, NJ9,1374,7594,3785,8133,324-- 5Yale UniversityNew Haven, CT15,5647,2758,2896,8148,750-38 6Columbia University in the City of New YorkNew York, NY35,17315,88719,2869,16426,00941,495 7University of PennsylvaniaPhiladelphia, PA29,10912,87716,23211,47817,6316812,568 8California Institute of TechnologyPasadena, CA2,4301,4599719871,443-- 9University of ChicagoChicago, IL18,56610,0878,4797,59810,968-102 10Duke UniversityDurham, NC17,4997,7789,7216,52310,97611,311-Average18,8259,0259,8006,96611,859441,728