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.
The president nominates candidates to the Supreme Court, but the Congress must approve all nominations. Once approved, justices serve lifetime terms. Many Supreme Court justices serve for decades, although the average tenure of the 112 current and former justices is 16 years. Chief Justice John Marshall was the longest serving justice, remaining on the bench for more than 34 years.