Nature 525, 201–205 (2015); doi:10.1038/nature14967

In the first boldface paragraph of this Article, the global number of trees should be approximately ‘1.30 trillion’ (rather than ‘1.39 trillion’) for tropical and subtropical forests and ‘0.66 trillion’ (rather than ‘0.61 trillion’) for temperate regions. These errors have been corrected in the online versions of the paper. In addition, the global tree density map can be found at