7.96%, OR a 50/50 split of the actuarial required contribution between employer/. employee, whichever is less, with a floor of 7.65% for employees and 6% for. employers. Member contribution rate increases retro to July 1, 2011.
In 2005, the average age of the Supreme Court justices was 70 years; in May 2010, the average age is a substantially lower, at 64.1 years, due to the more recent appointment oâ¦f younger justices - Chief Justice Roberts (55), Justice Samuel Alito (60), Justice Sonia Sotomayor (56), and Justice Elena Kagan (50). The justices' median age is 61.
<b>Justice Elena Kagan</b>, born April 28, 1960, is the <b>youngest</b> member of the sitting court, at <b>50</b> <b>years old</b>. <br /><br /> Chief Justice John G. Roberts, born January 27, 1955, is 55 years old (2010); Justice Sonia Sotomayor, born June 25, 1954, is 56 years old.