Deaths from<unk>  per million persons in 2012<unk>  is the second most common neurodegenerative disorder after Alzheimer's<unk>  and affects approximately seven million people globally and one million people in the United States. The proportion in a population at a given time is about 0.3% in industrialized countries.<unk>  is more common in the elderly and rates rise from 1% in those over 60 years of age to 4% of the population over 80. The mean age of onset is around 60 years, although 5–10% of cases, classified as young onset<unk> , begin between the ages of 20 and 50. Males are more often affected than females at a ratio of around 3:2.<unk>  may be less prevalent in those of African and Asian ancestry, although this finding is disputed. The number of new cases per year of<unk>  is between 8 and 18 per 100,000 person–years. The age-adjusted rate of<unk>  in Estonia is 28.0/100,000 person years. The Estonian rate has been stable between 2000 and 2019. The incidence of<unk>  has increased in China. It is estimated that China will have nearly half of the<unk>  population in the world in 2030. By 2040 the number of patients is expected to grow to approximately 14 million people; this growth has been referred to as the<unk> 's pandemic.
Parkinson's disease
Dementia with Lewy bodies
Parkinsonism
Antipsychotic
Parkinson-plus syndrome
Essential tremor
Alzheimer's disease
Progressive supranuclear palsy