| 年份 | 美国 | 日本 | ||
|---|---|---|---|---|
| 森林面积(平方公里) | 占世界% | 森林面积(平方公里) | 占世界% | |
| 2022 | 310万 (3,097,950) | 7.6685% | 24.94万 (249,350) | 0.6172% |
| 2021 | 310万 (3,097,950) | 7.6588% | 24.94万 (249,350) | 0.6164% |
| 2020 | 310万 (3,097,950) | 7.6493% | 24.94万 (249,350) | 0.6157% |
| 2019 | 310万 (3,097,950) | 7.6401% | 24.94万 (249,350) | 0.6149% |
| 2018 | 310万 (3,097,950) | 7.6305% | 24.94万 (249,350) | 0.6142% |
| 2017 | 310万 (3,097,950) | 7.6214% | 24.94万 (249,350) | 0.6134% |
| 2016 | 310万 (3,100,950) | 7.6160% | 24.94万 (249,400) | 0.6125% |
| 2015 | 310万 (3,100,950) | 7.6099% | 24.94万 (249,440) | 0.6121% |
| 2014 | 310万 (3,098,200) | 7.5948% | 24.95万 (249,484) | 0.6116% |
| 2013 | 310万 (3,095,450) | 7.5797% | 24.95万 (249,528) | 0.6110% |
| 2012 | 309万 (3,092,700) | 7.5647% | 24.96万 (249,572) | 0.6104% |
| 2011 | 309万 (3,089,950) | 7.5999% | 24.96万 (249,616) | 0.6139% |
| 2010 | 309万 (3,087,200) | 7.5851% | 24.97万 (249,660) | 0.6134% |
| 2009 | 308万 (3,082,016) | 7.5631% | 24.96万 (249,570) | 0.6124% |
| 2008 | 308万 (3,076,832) | 7.5411% | 24.95万 (249,480) | 0.6115% |
| 2007 | 307万 (3,071,648) | 7.5192% | 24.94万 (249,390) | 0.6105% |
| 2006 | 307万 (3,066,464) | 7.4973% | 24.93万 (249,300) | 0.6095% |
| 2005 | 306万 (3,061,280) | 7.4816% | 24.92万 (249,210) | 0.6091% |
| 2004 | 306万 (3,056,096) | 7.4597% | 24.91万 (249,120) | 0.6081% |
|
|
||||
| 2003 | 305万 (3,050,912) | 7.4379% | 24.90万 (249,030) | 0.6071% |
| 2002 | 305万 (3,045,728) | 7.4162% | 24.89万 (248,940) | 0.6062% |
| 2001 | 304万 (3,040,544) | 7.3945% | 24.88万 (248,850) | 0.6052% |
| 2000 | 304万 (3,035,360) | 7.3728% | 24.88万 (248,760) | 0.6042% |
| 1999 | 303万 (3,034,274) | 7.3578% | 24.88万 (248,834) | 0.6034% |
| 1998 | 303万 (3,033,188) | 7.3415% | 24.89万 (248,908) | 0.6025% |
| 1997 | 303万 (3,032,102) | 7.3253% | 24.90万 (248,982) | 0.6015% |
| 1996 | 303万 (3,031,016) | 7.3091% | 24.91万 (249,056) | 0.6006% |
| 1995 | 303万 (3,029,930) | 7.2930% | 24.91万 (249,130) | 0.5997% |
| 1994 | 303万 (3,028,844) | 7.2770% | 24.92万 (249,204) | 0.5987% |
| 1993 | 303万 (3,027,758) | 7.2610% | 24.93万 (249,278) | 0.5978% |
| 1992 | 303万 (3,026,672) | 7.2883% | 24.94万 (249,352) | 0.6004% |
| 1991 | 303万 (3,025,586) | 9.0158% | 24.94万 (249,426) | 0.7433% |
| 1990 | 302万 (3,024,500) | 9.0044% | 24.95万 (249,500) | 0.7428% |