Incidence can vary greatly from type-to-type, and from country-to-country. In Germany, one study reported an incidence of 1.28 per 100,000. A study in Italy reported an incidence of 0.56 per 100,000. A study in Norway reported an incidence of 3.9 per 100,000 using the years from 1978 to 1999, with a lower rate in earlier decades.
Neuronal ceroid lipofuscinosis
Tay–Sachs disease
Pantothenate kinase-associated neurodegeneration
Infantile neuronal ceroid lipofuscinosis
Glycogen storage disease
Granulovacuolar degeneration
Cerebral creatine deficiency
Familial encephalopathy with neuroserpin inclusion bodies