The Most Trees. What is the most forested country in the world? What country has the most trees? You'd be surprised; it's not Brazil, even with all of its rain forests. This list is ranked by the amount of forested area each country has, measured in square kilometers.
For the sake of this list, "forested area" is defined as land with trees at least 5 meters high. Planted forests count, but urban parks and gardens don't.Source: World Bank Lists