On Tuesday, June 5, 2012 1:22:11 PM UTC-4, Bill D wrote:

As for the "greying" of the SSA, the current average age of members is
54 which is younger than it was in 1960. Surprising, at least to me,
is that roughly 15 percent are younger than 22.

Interesting demographics. Are the rest of the numbers available to SSA members?