The following statistics were taken from Enrolled Actuaries Report Winter 2012 edition, Volume 37, Number 4. Enrolled Actuaries Report is a quarterly publication of the American Academy of Actuaries. Their official website is http://www.actuary.org/.
These three tables list updated figures for IRS pension limits, Social Security amounts, and covered compensation for 2013.
Table - Gives the amount due to benefactor based on age and SSRA.