If you have never had earned income in the USA, then you are not eligible for Social Security which is based on the earnings you made while employed in the USA. You can check to see if you are eligible for SSI (Welfare Disability) which is a program not based on your earnings as a worker in the USA.
This response is meant to be information only and should not be considered to be legal advice. This information is not meant and should not be construed to be the formation of an attorney client relationship. I practice Virginia Workers compensation law and Social Security Disability law.