0-9 purcent
Atlantoaxial instability, impaired oxygenation due to VSD. These conditions are more prevalent in people with Down syndrome, but are not present in all people with Down.
Marshall syndrome is a rare genetic disorder, with a prevalence that is not well documented in the general population. It is estimated to occur in fewer than 1 in 100,000 individuals. This means that less than 0.001% of the population is affected by Marshall syndrome.
Moebius syndrome is considered rare, with an estimated prevalence of 1 in 50,000 to 1 in 500,000 live births. This means that only a very small percentage of the general population is affected by this condition.
It's estimated that about 200,000 people in the US suffer from Tourette's syndrome in 2009, which would be about 6.5% of the population.
Conn's syndrome affects only a small percentage of the population, estimated to be around 0.03% to 0.1%. It is a rare condition characterized by excess production of aldosterone hormone by the adrenal glands, leading to high blood pressure and other symptoms.
Zellweger syndrome is a rare genetic disorder with an estimated prevalence of 1 in 50,000 to 1 in 100,000 births. This translates to less than 0.001% of the population being affected by Zellweger syndrome.
1 in every 1,000 babies that is born. 1 is the Down syndrome and 1,000 is the people that dont.
I don't know a percentage, but one in every 2000 to 2500 live female births has Turner syndrome.
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0.04%
Parkinsonism (also known as Parkinson's syndrome, atypical Parkinson's, or secondary Parkinson's) is a neurological syndrome characterized by tremor, hypokinesia, rigidity, and postural instability. The underlying causes of parkinsonism are numerous, and diagnosis can be complex. ... en.wikipedia.org/wiki/Parkinson's_syndrome
About 1/1000 to 1/500 males have Klinefelter's syndrome.