How common is Batten disease?

How common is Batten disease?

Healthcare providers estimate that Batten disease affects about 3 of every 100,000 births in the United States. People of Scandinavian or Northern European descent are more likely to have the disorder. In Northern Europe, about 1 of every 25,000 babies is born with Batten disease. Siblings of children with Batten disease have a 25% chance of having the disorder.