The condition affects people in many ethnic groups and geographical regions. Types 1 and 2 are the most common forms of this condition; types 3 and 4 are less common. Type 2 occurs more frequently in African Americans, some Native American groups, and people from sub-Saharan Africa.
Who is affected by albinism?
The condition can affect anyone, but its prevalence varies by region. In sub-Saharan Africa, albinism affects one in every 5,000 to 15,000 people. Among some groups, the rate is as high as 1 in 1,000 to 5,000. In Europe and the United States, it is closer to 1 in 17,000 to 20,000.
Who is affected by Type 1 albinism?
The most common form of this disorder, ocular albinism type 1, affects at least 1 in 60,000 males. The classic signs and symptoms of this condition are much less common in females.
Who is affected by Type 2 albinism?
The prevalence of Oculocutaneous albinism type 2 (OCA2) is estimated at 1/38,000-1/40,000 in most populations throughout the world except in the African population that has a higher prevalence of 1/3,900-1/1,500.