| Students by Age |
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
|---|---|---|---|---|---|---|---|---|---|
| Summer I | Summer I | Summer I | Summer I | Summer I | Summer I | Summer I | Summer I | Summer I | |
| Under 18 | 9 | 1 | 9 | 8 | 12 | 10 | 10 | 27 | 19 |
| 18 - 19 | 392 | 484 | 463 | 479 | 562 | 490 | 580 | 581 | 658 |
| 20 - 21 | 1210 | 1405 | 1457 | 1499 | 1511 | 1419 | 1519 | 1605 | 1762 |
| 22 - 24 | 1285 | 1271 | 1228 | 1363 | 1379 | 1343 | 1439 | 1476 | 1382 |
| 25 - 29 | 639 | 618 | 686 | 617 | 707 | 766 | 773 | 854 | 871 |
| 30 - 34 | 251 | 254 | 264 | 274 | 318 | 344 | 349 | 393 | 416 |
| 35 - 39 | 159 | 172 | 164 | 135 | 175 | 155 | 189 | 208 | 203 |
| 40 - 49 | 167 | 197 | 163 | 138 | 202 | 192 | 211 | 212 | 220 |
| 50 - 64 | 44 | 47 | 42 | 59 | 57 | 53 | 63 | 72 | 78 |
| 65 and over | 1 | 2 | 1 | 5 | 5 | 5 | 4 | 3 | 2 |
| Unknown | 3 | - | - | - | - | - | - | - | - |
| Total | 4160 | 4451 | 4477 | 4577 | 4928 | 4777 | 5137 | 5431 | 5611 |
| Average Age by UA Student Level |
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Summer I | Summer I | Summer I | Summer I | Summer I | Summer I | Summer I | Summer I | Summer I | ||
| Undergraduate | Freshman | 22.18 | 22.60 | 22.21 | 21.93 | 21.16 | 21.84 | 23.14 | 23.37 | 23.15 |
| Sophomore | 21.31 | 20.90 | 20.90 | 21.00 | 21.01 | 21.11 | 20.98 | 21.25 | 20.45 | |
| Junior | 22.40 | 22.07 | 21.80 | 21.99 | 22.14 | 22.22 | 22.37 | 22.23 | 21.79 | |
| Senior | 24.33 | 24.29 | 23.93 | 23.94 | 24.14 | 24.32 | 24.18 | 24.04 | 23.94 | |
| Average | 23.16 | 22.95 | 22.71 | 22.80 | 22.80 | 23.02 | 23.07 | 23.04 | 22.71 | |
| Law | Professional Year 1 | 27.38 | 26.69 | 27.48 | 25.95 | 25.76 | 25.85 | 25.71 | 25.48 | 25.00 |
| Professional Year 2 | 31.57 | 27.80 | 27.50 | 32.00 | 28.90 | 27.56 | 30.17 | 26.67 | 29.64 | |
| Professional Year 3 | 29.70 | 29.89 | 29.91 | 28.29 | 26.90 | 28.26 | 28.64 | 26.62 | 27.15 | |
| Average | 28.77 | 28.00 | 28.25 | 27.19 | 26.47 | 27.20 | 27.15 | 26.17 | 26.46 | |
| Graduate | Graduate Certificate | - | - | - | - | - | - | - | - | 47.00 |
| Graduate Non-Degree | - | - | - | - | - | - | 37.72 | 37.79 | 39.59 | |
| Master | 29.28 | 30.50 | 29.52 | 29.15 | 30.33 | 29.38 | 29.73 | 29.36 | 30.58 | |
| Doctorate | 32.77 | 32.80 | 32.33 | 32.31 | 31.85 | 31.44 | 30.71 | 30.85 | 30.78 | |
| Graduate Specialist | - | 34.00 | 26.00 | - | 48.25 | - | - | 30.00 | 44.00 | |
| Average | 30.30 | 31.11 | 30.42 | 30.21 | 30.89 | 30.13 | 30.22 | 30.15 | 30.89 | |
| Average | 24.53 | 24.46 | 24.31 | 24.14 | 24.52 | 24.65 | 24.62 | 24.71 | 24.61 | |
| Students by Age, Degree Intent and Full/Part Time Status |
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Summer I | Summer I | Summer I | Summer I | Summer I | Summer I | Summer I | Summer I | Summer I | |||
| Full-Time | Degree-Seeking | Under 18 | 3 | - | 1 | 2 | 6 | 3 | 3 | 14 | 13 |
| 18 - 19 | 150 | 173 | 159 | 192 | 183 | 185 | 206 | 257 | 258 | ||
| 20 - 21 | 586 | 599 | 583 | 638 | 581 | 587 | 569 | 659 | 791 | ||
| 22 - 24 | 588 | 592 | 501 | 609 | 593 | 565 | 556 | 586 | 532 | ||
| 25 - 29 | 241 | 230 | 213 | 180 | 242 | 245 | 210 | 247 | 271 | ||
| 30 - 34 | 80 | 79 | 64 | 70 | 85 | 105 | 76 | 94 | 126 | ||
| 35 - 39 | 53 | 58 | 33 | 36 | 37 | 46 | 49 | 55 | 56 | ||
| 40 - 49 | 32 | 46 | 33 | 21 | 52 | 57 | 45 | 50 | 62 | ||
| 50 - 64 | 10 | 11 | 11 | 9 | 15 | 17 | 15 | 13 | 14 | ||
| 65 and over | - | - | - | - | - | - | - | 1 | - | ||
| Non-Degree Seeking | Under 18 | - | - | - | 1 | - | - | - | - | 1 | |
| 18 - 19 | 6 | 7 | 5 | 6 | 5 | 4 | 4 | 2 | 5 | ||
| 20 - 21 | 8 | 15 | 13 | 9 | 14 | 9 | 19 | 8 | 9 | ||
| 22 - 24 | 8 | 15 | 12 | 10 | 17 | 15 | 25 | 13 | 19 | ||
| 25 - 29 | 8 | 12 | 12 | 8 | 5 | 8 | 5 | 10 | 9 | ||
| 30 - 34 | 10 | 4 | 5 | 4 | 3 | 4 | 3 | 3 | 4 | ||
| 35 - 39 | 8 | 9 | 2 | - | 5 | 1 | - | 2 | 1 | ||
| 40 - 49 | 4 | 10 | 3 | 1 | 2 | - | 3 | 3 | 5 | ||
| 50 - 64 | 2 | 1 | 1 | 1 | 1 | 1 | - | 4 | 2 | ||
| 65 and over | - | - | - | - | 1 | - | 1 | - | - | ||
| Part-Time | Degree-Seeking | Under 18 | 5 | 1 | 4 | 3 | 4 | 5 | 4 | 9 | 3 |
| 18 - 19 | 229 | 295 | 277 | 268 | 343 | 269 | 337 | 300 | 369 | ||
| 20 - 21 | 604 | 778 | 845 | 829 | 849 | 761 | 854 | 852 | 895 | ||
| 22 - 24 | 671 | 652 | 704 | 726 | 738 | 726 | 814 | 832 | 792 | ||
| 25 - 29 | 377 | 356 | 443 | 419 | 453 | 496 | 523 | 573 | 560 | ||
| 30 - 34 | 154 | 160 | 191 | 193 | 220 | 222 | 243 | 277 | 269 | ||
| 35 - 39 | 95 | 101 | 122 | 97 | 125 | 105 | 131 | 129 | 129 | ||
| 40 - 49 | 122 | 135 | 114 | 110 | 131 | 126 | 133 | 129 | 124 | ||
| 50 - 64 | 28 | 27 | 28 | 45 | 33 | 30 | 38 | 43 | 47 | ||
| 65 and over | 1 | - | - | 1 | 2 | 2 | 1 | - | - | ||
| Unknown | 3 | - | - | - | - | - | - | - | - | ||
| Non-Degree Seeking | Under 18 | 1 | - | 4 | 2 | 2 | 2 | 3 | 4 | 2 | |
| 18 - 19 | 7 | 9 | 22 | 13 | 31 | 32 | 33 | 22 | 26 | ||
| 20 - 21 | 12 | 13 | 16 | 23 | 67 | 62 | 77 | 86 | 67 | ||
| 22 - 24 | 18 | 12 | 11 | 18 | 31 | 37 | 44 | 45 | 39 | ||
| 25 - 29 | 13 | 20 | 18 | 10 | 7 | 17 | 35 | 24 | 31 | ||
| 30 - 34 | 7 | 11 | 4 | 7 | 10 | 13 | 27 | 19 | 17 | ||
| 35 - 39 | 3 | 4 | 7 | 2 | 8 | 3 | 9 | 22 | 17 | ||
| 40 - 49 | 9 | 6 | 13 | 6 | 17 | 9 | 30 | 30 | 29 | ||
| 50 - 64 | 4 | 8 | 2 | 4 | 8 | 5 | 10 | 12 | 15 | ||
| 65 and over | - | 2 | 1 | 4 | 2 | 3 | 2 | 2 | 2 | ||
| Total | 4160 | 4451 | 4477 | 4577 | 4928 | 4777 | 5137 | 5431 | 5611 | ||