Changes in the world’s forested area in 2005-2015 10.6.2019 / Graph Resources and ownership Between the years 2005 and 2015, the annual decrease of the world’s forested area was about 3.4 million hectares. Source: FAOSTAT. Graph updated 7.6.2019. Anna Kauppi Resources and ownership Write a comment Click here to cancel reply. Name *: Email (not visible) *: Message *: Subscribe to our newsletter