Russia is home to the largest area of forest – 815 million hectares.
Brazil, the United States, Canada, China, Australia, and the Democratic Republic of Congo also have a largest forest area – more than 100 million hectares each.
Russia is home to one-fifth of global forest area. Brazil is the only other country with more than 10% of global forest cover.
More details at FAO
Source: Food & Agriculture Organization of the United Nations (FAO)