| Forest type | 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 | |||
| Non-treed | 1.79 | 2.07 | 6.53 | 24.59 | 26.36 | 31.81 | 5.70 | 0.54 | 0.25 | 0.19 | 0.09 | 0.00 | 99.94 | |
| Treed Broadleaf | 221.57 | 585.37 | 1 199.20 | 2 015.71 | 1 806.82 | 727.65 | 302.96 | 115.35 | 16.44 | 18.94 | 14.66 | - | 7 024.68 | |
| Treed Mixedwood | 233.94 | 624.61 | 1 127.33 | 1 691.79 | 1 605.89 | 1 137.56 | 498.37 | 218.27 | 55.10 | 28.01 | 34.72 | - | 7 255.59 | |
| Treed Coniferous | 326.38 | 1 593.29 | 2 682.88 | 4 111.47 | 4 759.52 | 7 056.66 | 5 381.55 | 2 538.47 | 1 113.41 | 596.74 | 6 532.98 | - | 36 693.36 | |
| Total | 783.69 | 2 805.35 | 5 015.94 | 7 843.56 | 8 198.59 | 8 953.69 | 6 188.58 | 2 872.63 | 1 185.20 | 643.88 | 6 582.45 | 0.00 | 51 073.56 | |
| Source: Canada's National Forest Inventory, combined remeasured (2007-2017) and projected (2006-2017 with NFI projection system) data (Version 3.1, October 2025) (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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