How many species are there? - Our World in Data

Understanding the diversity of life on Earth begins with the question: how many species exist? Our World in Data provides a comprehensive analysis of species estimates, highlighting the complexity and richness of global biodiversity. By integrating empirical research and validated data, this resource sheds light on the current scientific consensus regarding species counts across different ecosystems. It emphasizes the importance of ongoing research and collaboration in accurately assessing biodiversity, which is crucial for effective conservation efforts and informed policymaking.