The nation with the single largest number of trees was Russia, with 641 billion, and 4,461 trees per person based on 2014 population estimates — statistics underscoring the the vastness of Siberia’s boreal forests.
The U.S. had 319 million people in 2014, but 228 billion trees. That’s 716 trees per person. Brazil had 301 billion trees (1,494 per person), Canada 318 billion (8,953 per person), and China 139 billion (102 trees per person). Among highly populous countries, India (population, 1.267 billion) had a tree population of only 35 billion, leading to just 28 trees per person.