Ireland has the highest number of red-haired people per capita in the world with the percentage of those with red hair at around 10%. Great Britain also has a high percentage of people with red hair.

Will 2 gingers have a ginger baby?

For a recessive trait to be expressed the individual must be pure breeding, hence two red heads can not produce any other colour in a child. If red hair is dominant, the chances are one in four that a child will NOT be a red head if mum and dad are both ginger nuts.