The number will also have a country number added to it as part of the new world order requirement soon to come. That way you can be tracked anywhere you go and in a cashless society all you purchases can be monitored.
Why would anyone be worried about a SS#? Every government official has sworn an oath to uphold the U.S.Const. In effect, it would be illegal for any government official to use an SS# against you or your rights, because it is illegal for anyone in government to create a scheme which would injure your rights.
Any scheme to injure your rights, SS# or otherwise, is absolutely illegal, and the person doing can be sued, by statute law or by common law.