How Many People Get Parkinson's Disease? From About.com About.com Health's Disease and Condition content is reviewed by the Medical Review Board Filed In: 1.. Diseases 2.. > Parkinson's Disease Question: How Many People Get Parkinson's Disease? Answer: Parkinson's disease affects all cultures and races. Globally, it is estimated 6.3 million people have the disease. Around 1 to 1.5 million Americans have it. 1 in 10 people with Parkinson's are diagnosed before the age of 50 years. 15% before the age of 40 years. Slightly more men than women have Parkinson's disease Rayilyn Brown Director AZNPF Arizona Chapter National Parkinson Foundation [log in to unmask] ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn