According to the latest studies published in 2012, close to 944,000 adults in America have developmental disabilities. That constitutes about 0.4 percent of the total population.
20%
60%
About 5% in 2012, up from 3% in 2010.
A person is born with a developmental disability. An acquired disability is a disability that is developed, for whatever reason, after birth.
42%
A Learning Disability
You can live anywhere in the US and do well if you have a disability. Depending on the disability, you can get disability insurance. Disability insurance is figured by your work history and if you get approved.
24% of adults in the US smoke & 70% in Korea.
It is not always easy. Sometimes the context can help. Also, if the reference is to a fraction where that makes no sense, it is likely to be a percentage. For example, consider the statement "27.2 adults in the US are obese". Clearly, it cannot be 27 adults and a fifth of one so the 27.2 must refer to either a percentage of the adult population or some scaling unit such as 27.2 thousand or 27.2 million.
Statistic about literacy rate in the US by race has been found only for the years 2003 and 2009 The percentage of adults lacking basic literacy were: (2003) Hispanic 44% Black 24% Asian/Pacific Islander 14% White 7% The percentage of adults lacking basic literacy were (2009) Asian/Pacific Islander: 49% White: 46% Hispanic: 22% Black: 17%
There are several places where one can study Developmental Psychology in the US. Most university colleges (such as Columbia) run courses or modules in this field.
MetLife Disability Income is the best company that offers disability insurance. You can read more about Flexible Disability Income Insurance and Policies at metlife.com