| 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 | 91.11 | 704.17 | 1 679.54 | 2 930.51 | 3 298.95 | 6 109.26 | 4 131.54 | 1 618.01 | 520.10 | 206.95 | 1 110.46 | 0.00 | 22 400.59 | |
| Poplar | 207.97 | 562.91 | 940.36 | 1 969.35 | 1 756.03 | 810.35 | 409.22 | 153.49 | 21.53 | 15.88 | 20.78 | 0.00 | 6 867.88 | |
| Pine | 170.62 | 623.80 | 604.16 | 999.59 | 1 066.38 | 890.98 | 781.90 | 442.77 | 195.29 | 83.47 | 193.09 | 0.00 | 6 052.05 | |
| Fir | 37.81 | 272.98 | 456.06 | 417.37 | 483.18 | 254.86 | 271.26 | 268.40 | 248.85 | 180.83 | 1 380.56 | 0.00 | 4 272.17 | |
| Hemlock | 5.75 | 65.02 | 152.47 | 153.32 | 157.40 | 80.18 | 87.81 | 52.26 | 68.08 | 41.30 | 2 328.88 | 0.00 | 3 192.47 | |
| Douglas-fir | 2.03 | 27.23 | 125.11 | 181.16 | 227.12 | 297.26 | 316.86 | 233.38 | 77.70 | 64.14 | 340.65 | 0.00 | 1 892.65 | |
| Birch | 45.06 | 199.60 | 379.20 | 440.44 | 414.64 | 132.17 | 35.28 | 13.90 | 0.90 | 1.38 | 1.92 | 0.00 | 1 664.50 | |
| Maple | 15.67 | 65.56 | 379.70 | 479.26 | 466.20 | 110.71 | 17.92 | 6.23 | 4.85 | 0.00 | 0.81 | 0.00 | 1 546.89 | |
| Cedar & other conifers | 2.97 | 19.18 | 60.18 | 56.85 | 72.79 | 57.43 | 27.33 | 27.57 | 25.64 | 35.33 | 1 140.20 | 0.00 | 1 525.47 | |
| Larch | 8.97 | 46.39 | 118.77 | 152.15 | 158.54 | 124.99 | 79.83 | 38.46 | 10.74 | 4.27 | 22.84 | 0.00 | 765.96 | |
| Unspecified conifers | 115.21 | 135.27 | 30.53 | 7.65 | 1.48 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 290.14 | |
| Other hardwoods | 2.51 | 20.43 | 71.25 | 82.07 | 55.99 | 20.74 | 4.21 | 1.47 | 0.16 | 2.13 | 7.03 | 0.00 | 267.98 | |
| Unspecified hardwoods | 66.68 | 32.49 | 20.00 | 3.78 | 9.34 | 0.39 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 132.83 | |
| Unclassified | 7.03 | 6.15 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 13.31 | |
| Total | 779.40 | 2 781.17 | 5 017.47 | 7 873.50 | 8 168.03 | 8 889.31 | 6 163.32 | 2 855.95 | 1 173.85 | 635.66 | 6 547.22 | 0.00 | 50 884.89 | |
| Source: Canada's National Forest Inventory, combined remeasured (2007-2017) and projected (2006-2017 with NFI projection system) data (Version 2, November 2022) (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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