| Age | 1983 | 1988 | 1993 | 1998 | 2003 | 2011 |
|---|---|---|---|---|---|---|
| Source: Office of the Chief Human Resources Officer, Treasury Board Secretariat.
Notes: Includes all tenures. Figures do not include employees on Leave Without Pay. Each vertical bar represents two years of age. Age bands are distinguished by different colours. | ||||||
| 15-16 | 67 | 12 | 4 | 2 | 29 | 9 |
| 17-18 | 916 | 248 | 77 | 106 | 160 | 127 |
| 19-20 | 4373 | 1618 | 1209 | 1054 | 1165 | 1584 |
| 21-22 | 8610 | 3722 | 3402 | 2212 | 3396 | 3715 |
| 23-24 | 12235 | 7414 | 5686 | 2903 | 5302 | 5851 |
| 25-26 | 14779 | 10837 | 8253 | 4188 | 7336 | 8710 |
| 27-28 | 16586 | 13483 | 10915 | 5590 | 8443 | 10358 |
| 29-30 | 17305 | 15344 | 13131 | 6865 | 8652 | 11810 |
| 31-32 | 17783 | 16929 | 14968 | 8689 | 9415 | 12859 |
| 33-34 | 17139 | 18102 | 16491 | 10836 | 10053 | 13546 |
| 35-36 | 16746 | 18630 | 17928 | 12513 | 10771 | 13992 |
| 37-38 | 12488 | 18463 | 19039 | 14467 | 12935 | 13841 |
| 39-40 | 11669 | 18082 | 19530 | 15674 | 14910 | 14411 |
| 41-42 | 10552 | 15457 | 19453 | 16652 | 16287 | 14764 |
| 43-44 | 9478 | 12233 | 18428 | 17168 | 17607 | 15035 |
| 45-46 | 9188 | 11605 | 18071 | 17212 | 18032 | 17286 |
| 47-48 | 9113 | 9998 | 13036 | 16696 | 18327 | 18646 |
| 49-50 | 9218 | 9572 | 12033 | 15522 | 18187 | 18995 |
| 51-52 | 9468 | 8963 | 10330 | 11020 | 17268 | 19290 |
| 53-54 | 8741 | 8303 | 8492 | 7832 | 15407 | 18517 |
| 55-56 | 8197 | 7524 | 6778 | 6168 | 11589 | 14723 |
| 57-58 | 8251 | 6568 | 5317 | 4260 | 6751 | 12011 |
| 59-60 | 7354 | 5265 | 4026 | 2684 | 4743 | 8617 |
| 61-62 | 5992 | 3765 | 2665 | 1538 | 2694 | 5636 |
| 63-64 | 3700 | 2964 | 1678 | 1077 | 1580 | 3966 |
| 65-66 | 375 | 924 | 800 | 534 | 737 | 1836 |
| 67-68 | 119 | 266 | 390 | 301 | 406 | 1060 |
| 69-70 | 62 | 98 | 223 | 166 | 257 | 1157 |
| Total | 250504 | 246389 | 252353 | 203929 | 242439 | 282352 |