| Groupe d'âge | 2016 | 2021 | 2026 | 2031 | 2036 | 2041 |
| n | ||||||
| TOTAL | 44 718 | 46 561 | 48 097 | 49 521 | 50 870 | 52 144 |
| 0-4 | 4 050 | 4 071 | 4 035 | 4 087 | 4 176 | 4 276 |
| 5-9 | 4 076 | 3 961 | 3 963 | 3 935 | 3 984 | 4 060 |
| 10-14 | 3 708 | 4 026 | 3 882 | 3 881 | 3 861 | 3 903 |
| 15-19 | 3 585 | 3 621 | 3 945 | 3 834 | 3 823 | 3 810 |
| 20-24 | 3 675 | 3 473 | 3 526 | 3 868 | 3 783 | 3 761 |
| 25-29 | 3 461 | 3 613 | 3 407 | 3 453 | 3 811 | 3 747 |
| 30-34 | 3 126 | 3 412 | 3 511 | 3 308 | 3 347 | 3 710 |
| 35-39 | 2 993 | 3 026 | 3 281 | 3 370 | 3 173 | 3 213 |
| 40-44 | 2 850 | 2 915 | 2 948 | 3 178 | 3 264 | 3 077 |
| 45-49 | 2 643 | 2 775 | 2 848 | 2 880 | 3 094 | 3 182 |
| 50-54 | 2 775 | 2 512 | 2 671 | 2 753 | 2 785 | 2 992 |
| 55-59 | 2 534 | 2 609 | 2 378 | 2 530 | 2 620 | 2 651 |
| 60-64 | 1 827 | 2 315 | 2 384 | 2 185 | 2 327 | 2 418 |
| 65-69 | 1 354 | 1 602 | 2 037 | 2 110 | 1 943 | 2 080 |
| 70-74 | 920 | 1 178 | 1 384 | 1 760 | 1 833 | 1 695 |
| 75-79 | 547 | 743 | 965 | 1 149 | 1 469 | 1 539 |
| 80-84 | 382 | 401 | 561 | 722 | 882 | 1 133 |
| 85-89 | 147 | 235 | 250 | 363 | 472 | 591 |
| 90-94 | 52 | 62 | 104 | 121 | 178 | 236 |
| 94-99 | 11 | 9 | 16 | 31 | 38 | 62 |
| 100 et plus | 2 | 2 | 1 | 3 | 7 | 8 |
| Source : Institut de la statistique du Québec, Perspectives démographiques du Québec et des régions, 2016-2066. | ||||||
| .. | Data not available |
| ... | Not applicable |
| – | Void or zero |
| — | Negligible data |
| p | Preliminary data |
| r | Revised data |
| e | Estimated data |
| x | Confidential |
| F | Data unreliable |
| n.e.s. | Not elsewhere specified |
| p.-y. | Person-year |
| f.t.e | Full-time equivalent |
| ‰ | Per thousand |
| kg | Kilogramme |
| l | Liter |
| n | Number |
| t | Metric ton |
| $ | In dollars |
| k and '000 | In thousands |
| M and '000 000 | In millions |
| G | In billions |