| Species group | Age (years) | Total | ||||||||||||
| 1-20 | 21-40 | 41-60 | 61-80 | 81-100 | 101-120 | 121-140 | 141-160 | 161-180 | 181-200 | 201+ | Other1 | |||
| Spruce | 3 466.74 | 8 514.96 | 13 155.97 | 24 561.67 | 63 722.11 | 47 611.97 | 13 988.18 | 3 596.12 | 1 768.46 | 830.44 | 3 303.74 | 0.00 | 184 520.36 | |
| Poplar | 2 489.20 | 3 568.21 | 8 250.92 | 12 912.39 | 8 681.50 | 2 184.89 | 683.44 | 154.13 | 63.07 | 10.32 | 59.73 | 0.00 | 39 057.81 | |
| Pine | 3 982.59 | 3 810.37 | 4 265.71 | 5 952.36 | 6 064.51 | 3 261.11 | 2 560.66 | 1 458.66 | 797.01 | 336.75 | 697.64 | 0.00 | 33 187.36 | |
| Unclassified | 1 019.66 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 20 195.33 | 21 214.99 | |
| Fir | 979.17 | 1 877.59 | 2 722.48 | 2 605.12 | 2 695.25 | 1 239.90 | 936.90 | 791.14 | 814.55 | 701.98 | 4 765.54 | 0.00 | 20 129.63 | |
| Birch | 750.69 | 1 670.75 | 3 685.06 | 3 491.86 | 2 554.83 | 481.56 | 177.54 | 22.80 | 8.38 | 1.54 | 1.88 | 0.00 | 12 846.89 | |
| Maple | 563.18 | 594.64 | 3 072.68 | 1 558.26 | 2 051.32 | 442.12 | 230.06 | 123.83 | 24.77 | 19.16 | 1.25 | 0.00 | 8 681.26 | |
| Hemlock | 33.55 | 436.27 | 349.15 | 348.28 | 248.43 | 195.26 | 182.18 | 137.52 | 99.53 | 97.01 | 3 486.01 | 0.00 | 5 613.18 | |
| Unspecified conifers | 3 774.76 | 1 588.70 | 125.41 | 7.24 | 0.73 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5 496.83 | |
| Larch | 787.40 | 384.24 | 752.59 | 1 056.01 | 1 064.30 | 559.86 | 254.58 | 116.36 | 141.07 | 14.31 | 67.79 | 0.00 | 5 198.51 | |
| Douglas-fir | 51.21 | 331.79 | 403.35 | 601.91 | 691.86 | 747.32 | 661.37 | 342.58 | 234.88 | 140.21 | 671.50 | 0.00 | 4 877.98 | |
| Cedar & other conifers | 82.84 | 283.54 | 363.98 | 297.94 | 330.89 | 182.45 | 101.24 | 72.54 | 52.19 | 98.26 | 1 929.75 | 0.00 | 3 795.62 | |
| Other hardwoods | 262.23 | 324.63 | 386.75 | 399.97 | 199.13 | 112.17 | 14.31 | 5.99 | 1.18 | 0.00 | 0.00 | 0.00 | 1 706.36 | |
| Unspecified hardwoods | 1 113.73 | 120.72 | 12.98 | 1.55 | < 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1 248.99 | |
| Total | 19 356.92 | 23 506.43 | 37 547.03 | 53 794.55 | 88 304.85 | 57 018.62 | 19 790.45 | 6 821.66 | 4 005.10 | 2 249.98 | 14 984.85 | 20 195.33 | 347 575.78 | |
| Source: Canada's National Forest Inventory, revised 2006 baseline (Version 3, December 2013) (http://nfi.nfis.org) | ||||||||||||||
| Note: The Arctic ecozones (Arctic Cordillera, Northern Arctic, Southern Arctic), and the Taiga Plains and Hudson Plains ecozones located in Nunavut, are not inventoried. These non-inventoried areas total 262,189.89 thousand ha. | ||||||||||||||
|
1 Missing or unknown age class. |
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