How long do trees live for? What are the oldest species and individuals alive, to human knowledge? Although methods such as dating tree rings are quite accurate, getting precise answers is still tricky and sometimes speculations can span over a few centuries. This visualisations tries to provide an overview on the theme: on the left side (purple) the oldest dated individuals (estimated age, location, species and geographical area). On the right side (green) 35 common tree species, arranged in circles according to their estimated lifespan.