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.
10%
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.
It is estimated that less than 1% of the US population has Tourette's syndrome. Exact numbers can vary due to underdiagnosis and varying levels of severity in symptoms.
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.
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.
I don't know a percentage, but one in every 2000 to 2500 live female births has Turner syndrome.
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
Approximately 1 in 15,000 - 20,000 babies is born with Angelman syndrome, making it a rare genetic disorder.
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0.04%
About 1/1000 to 1/500 males have Klinefelter's syndrome.