Forest Area is that including Natural or planted trees with standard height, and Agriculture productive trees are excluded. Forest departments maintain forest areas which trees planted by themselves and all of the trees are unproductive and helpful for wild animals, many countries has reserved forest for different Animals. Russia has 8 billion square km of forest area, Brazil (5.1 billion sq km), Canada (3.1 billion sq km) and the United States (3 billion sq km). Below listed 30 Countries Forest Area estimated officially by forest departments and other official sources.
| Country name | Year 2010 (Sq KM) | Year 2011 ((Sq KM) |
|---|---|---|
| Russian Federation | 8,090,900.00 | 8,091,500.00 |
| Brazil | 5,195,220.00 | 5,173,276.00 |
| Canada | 3,101,340.00 | 3,101,340.00 |
| United States | 3,040,220.00 | 3,044,048.00 |
| China | 2,068,606.00 | 2,096,239.40 |
| Congo, Dem. Rep. | 1,541,350.00 | 1,538,236.00 |
| Australia | 1,493,000.00 | 1,483,760.00 |
| Indonesia | 944,320.00 | 937,470.00 |
| India | 684,340.00 | 685,790.00 |
| Peru | 679,920.00 | 678,420.00 |
| Mexico | 648,020.00 | 646,468.00 |
| Colombia | 604,990.00 | 603,980.00 |
| Angola | 584,800.00 | 583,552.00 |
| Bolivia | 571,960.00 | 568,884.00 |
| Zambia | 494,680.00 | 493,014.00 |
| Venezuela, RB | 462,750.00 | 459,874.00 |
| Mozambique | 390,220.00 | 388,106.00 |
| Tanzania | 334,280.00 | 330,246.00 |
| Myanmar | 317,730.00 | 314,634.00 |
| Argentina | 294,000.00 | 291,602.00 |
| Papua New Guinea | 287,260.00 | 285,838.00 |
| Sweden | 282,030.00 | 282,030.00 |
| Japan | 249,790.00 | 249,878.00 |
| Central African Republic | 226,050.00 | 225,750.00 |
| Congo, Rep. | 224,110.00 | 223,990.00 |
| Finland | 221,570.00 | 221,570.00 |
| Gabon | 220,000.00 | 220,000.00 |
| Malaysia | 204,560.00 | 203,692.00 |
| Cameroon | 199,160.00 | 196,960.00 |
| Thailand | 189,720.00 | 189,868.00 |