The student population at University of California-San Diego is 44,256 (34,955 undergraduate and 9,301 graduate students) . The number of students has increased by 11,350 (34.49%) over the past decade.
The average student population over the last 11 years is 39,038 where 44,256 students are attending the school for the academic year 2024-2025.
Total enrollment increased every year from 2016 to 2025, growing from 32,906 to 44,256 students, a gain of 11,350 (34.5%).
The following table and chart illustrate the changes in student population by gender at University of California-San Diego since 2015.
| Year | Total | Undergraduate | Graduate | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 32,906 | 26,590 | 13,956 | 12,634 | 6,316 | 3,866 | 2,450 |
| 2016-17 | 34,979 2,073 | 28,127 1,537 | 14,620 664 | 13,507 873 | 6,852 536 | 4,187 321 | 2,665 215 |
| 2017-18 | 35,772 793 | 28,587 460 | 14,553 -67 | 14,034 527 | 7,185 333 | 4,347 160 | 2,838 173 |
| 2018-19 | 37,887 2,115 | 30,285 1,698 | 15,195 642 | 15,090 1,056 | 7,602 417 | 4,611 264 | 2,991 153 |
| 2019-20 | 38,736 849 | 30,794 509 | 15,390 195 | 15,404 314 | 7,942 340 | 4,647 36 | 3,295 304 |
| 2020-21 | 39,576 840 | 31,842 1,048 | 15,855 465 | 15,987 583 | 7,734 -208 | 4,468 -179 | 3,266 -29 |
| 2021-22 | 41,885 2,309 | 33,343 1,501 | 16,242 387 | 17,101 1,114 | 8,542 808 | 4,918 450 | 3,624 358 |
| 2022-23 | 42,006 121 | 33,096 -247 | 15,764 -478 | 17,332 231 | 8,910 368 | 5,119 201 | 3,791 167 |
| 2023-24 | 42,376 370 | 33,792 696 | 15,610 -154 | 18,182 850 | 8,584 -326 | 4,840 -279 | 3,744 -47 |
| 2024-25 | 44,256 1,880 | 34,955 1,163 | 15,782 172 | 19,173 991 | 9,301 717 | 5,193 353 | 4,108 364 |
| Average | 39,038 | 31,141 | 15,297 | 15,844 | 7,897 | 4,620 | 3,277 |
The average number of Undergraduate students over the last 11 years is 31,141 where 34,955 students are attending the Undergraduate school for the academic year 2024-2025. The following table and chart illustrate the changes in Undergraduate enrollment by attending status and gender at University of California-San Diego since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 26,590 | 25,922 | 13,573 | 12,349 | 668 | 383 | 285 |
| 2016-17 | 28,127 | 27,386 | 14,200 | 13,186 | 741 | 420 | 321 |
| 2017-18 | 28,587 | 27,880 | 14,140 | 13,740 | 707 | 413 | 294 |
| 2018-19 | 30,285 | 29,491 | 14,728 | 14,763 | 794 | 467 | 327 |
| 2019-20 | 30,794 | 29,966 | 14,919 | 15,047 | 828 | 471 | 357 |
| 2020-21 | 31,842 | 30,939 | 15,330 | 15,609 | 903 | 525 | 378 |
| 2021-22 | 33,343 | 32,327 | 15,680 | 16,647 | 1,016 | 562 | 454 |
| 2022-23 | 33,096 | 32,138 | 15,217 | 16,921 | 958 | 547 | 411 |
| 2023-24 | 33,792 | 32,852 | 15,086 | 17,766 | 940 | 524 | 416 |
| 2024-25 | 34,955 | 34,114 | 15,336 | 18,778 | 841 | 446 | 395 |
| Average | 31,141 | 31,141 | 14,821 | 15,481 | 31,141 | 476 | 364 |
The average number of Graduate students over the last 11 years is 7,897 where 9,301 students are attending the Graduate school for the academic year 2024-2025. The following table and chart illustrate the changes in Graduate enrollment by attending status and gender at University of California-San Diego since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 6,316 | 5,984 | 3,625 | 2,359 | 332 | 241 | 91 |
| 2016-17 | 6,852 | 6,435 | 3,885 | 2,550 | 417 | 302 | 115 |
| 2017-18 | 7,185 | 6,686 | 3,999 | 2,687 | 499 | 348 | 151 |
| 2018-19 | 7,602 | 7,099 | 4,285 | 2,814 | 503 | 326 | 177 |
| 2019-20 | 7,942 | 7,350 | 4,271 | 3,079 | 592 | 376 | 216 |
| 2020-21 | 7,734 | 7,133 | 4,091 | 3,042 | 601 | 377 | 224 |
| 2021-22 | 8,542 | 7,953 | 4,552 | 3,401 | 589 | 366 | 223 |
| 2022-23 | 8,910 | 8,114 | 4,636 | 3,478 | 796 | 483 | 313 |
| 2023-24 | 8,584 | 7,864 | 4,386 | 3,478 | 720 | 454 | 266 |
| 2024-25 | 9,301 | 8,487 | 4,668 | 3,819 | 814 | 525 | 289 |
| Average | 7,897 | 7,897 | 4,240 | 3,071 | 7,897 | 380 | 207 |
The percentage of white students is 17.73% and the percentage of black students is 1.67% at University of California-San Diego. 30.94% of enrolled students is Asian. Hispanic students comprise 22.90% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 23.73% to 17.73%. Asian enrollment declined from 33.13% to 30.94%. Black student enrollment increased from 1.31% to 1.67%. Hispanic student representation expanded from 14.10% to 22.90%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.8166 which indicates that highly diverse. This increased from 0.8119 a decade ago, suggesting that racial diversity has improved.
The following table and chart illustrate the student population trends by race/ethnicity at University of California-San Diego over the past 11 years (2015-2025).
| Year | American Indian or Native American | Asian | Black | Hispanic | Native Hawaiian or Other Pacific Islander | White | Two or More Races |
|---|---|---|---|---|---|---|---|
| 2015-16 | 44 | 10,903 | 431 | 4,639 | 96 | 7,808 | 1,467 |
| 2016-17 | 35 | 11,096 | 515 | 5,198 | 93 | 7,693 | 1,516 |
| 2017-18 | 29 | 10,868 | 558 | 5,860 | 82 | 7,662 | 1,566 |
| 2018-19 | 40 | 11,307 | 614 | 6,697 | 91 | 7,982 | 1,661 |
| 2019-20 | 43 | 11,266 | 645 | 7,332 | 82 | 8,072 | 1,757 |
| 2020-21 | 49 | 11,841 | 698 | 7,616 | 65 | 8,173 | 1,898 |
| 2021-22 | 43 | 12,548 | 712 | 8,110 | 58 | 8,455 | 2,187 |
| 2022-23 | 42 | 12,607 | 715 | 8,688 | 39 | 8,132 | 2,301 |
| 2023-24 | 42 | 12,946 | 769 | 9,348 | 29 | 7,946 | 2,464 |
| 2024-25 | 41 | 13,694 | 739 | 10,133 | 26 | 7,847 | 2,634 |
| Average | 41 | 11,908 | 640 | 7,362 | 66 | 7,977 | 1,945 |
236 students are enrolled in online degree programs exclusively for the academic year 2024-2025, which is 1% of total students. The number of online students has increased 2,850.00% since 2019. The following table and chart illustrate the changes in the online student population by enrolled type at University of California-San Diego from 2015 to 2025.
| Year | Total Enrollment | Online Completely | Enrolled in Some Online Courses | Not Enrolled in Online Courses |
|---|---|---|---|---|
| 2015-16 | 32,906 | 0 | 0 | 32,906 |
| 2016-17 | 34,979 | 0 | 0 | 34,979 |
| 2017-18 | 35,772 | 0 | 0 | 35,772 |
| 2018-19 | 37,887 | 0 | 0 | 37,887 |
| 2019-20 | 38,736 | 8 | 390 | 38,338 |
| 2020-21 | 39,576 | 26,615 | 10,239 | 2,722 |
| 2021-22 | 41,885 | 1,070 | 21,222 | 19,593 |
| 2022-23 | 42,006 | 48 | 3,257 | 38,701 |
| 2023-24 | 42,376 | 310 | 7,676 | 34,390 |
| 2024-25 | 44,256 | 236 | 7,655 | 36,365 |
| Average | 39,038 | 2,829 | 5,044 | 31,165 |
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