Scotland also has a high percentage with around 6% of the population having red hair, with Edinburgh being the redhead capital of the world. The most redheaded region is the south-east of Scotland with Edinburgh as a red head hotspot. There, four-in-10 carry one of the three most common red hair genes. Scotland as whole has a higher percentage than Ireland, 36. 5 per cent as against 34. 7 according to a survey taken by BritainsDNA.