Table 5.0b. Confidence interval (1000 ha) of area of forest land by forest type and age class in Canada.
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 ±49.58 ±91.92 ±118.52 ±131.17 ±133.39 ±87.61 ±22.04 ±5.19 ±2.47 ±3.01 ±0.92 ±851.00 ±890.14
Treed Broadleaf ±370.03 ±381.48 ±485.14 ±599.62 ±528.80 ±325.63 ±184.31 ±88.79 ±29.53 ±18.01 ±17.14 - ±1 142.97
Treed Mixedwood ±372.43 ±396.38 ±435.22 ±507.95 ±492.72 ±429.28 ±211.91 ±130.35 ±57.00 ±34.37 ±66.69 - ±1 114.04
Treed Coniferous ±660.79 ±1 037.41 ±1 121.04 ±1 128.07 ±1 196.61 ±1 487.53 ±1 333.61 ±762.59 ±376.41 ±251.81 ±921.42 - ±3 331.81
Total ±845.42 ±1 177.84 ±1 302.13 ±1 381.05 ±1 404.31 ±1 584.53 ±1 363.04 ±778.75 ±381.85 ±254.80 ±923.99 ±851.00 ±3 800.10
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.