How rare is that?
🖐️ Born with an extra finger
1 in 1,000 of births
One person in a crowd of 1,000. Polydactyly. Usually removed in infancy.
Too rare to show on a grid of 100: one person in a crowd of 1,000.
Each figure stands for one percent of the group. The share is a rounded estimate from public surveys and published studies; the group it refers to is "births", which is not always the whole world.
Tick it on the Ladder → and combine it with everything else about you