How Many Trees Are In The World 2024. Now this new data has been. There are an estimated 73,300 species of tree on earth, 9,000 of which have yet to be discovered, according to a global count of tree species by thousands of.
Though down from the previous year, over 6.6 million hectares of tree cover was lost to forest fires in 2022, similar to other years over the past decade. There are about 3 trillion trees on earth, which is only half as many as 12,000 years ago, at the start of human civilization.