The various retirement plan limits have been announced for 2012. Here is a brief recap:
Salary Deferral Limit for 401(k) and 403(b) Plans is $17,000 (up from $16,500). Additional Salary Deferral for someone Age 50 by 12/31/2012 is $5,500 (stayed the same). Therefore a 50 year old can defer up to $22,500 in 2012 (increased from $22,000). The maximum amount of compensation counted for plan purposes is $250,000 (previously $245,000). Maximum Annual Additions Limit from all contributions is $50,000 (increased from $49,000 and you can add $5,500 if age 50 or more if salary deferrals available). The maximum Defined Benefit Plan retirement amount is $200,000 per year ($190,000 a year previously). The amount of compensation in 2012 that would make someone an HCE in 2013 is $115,000 (up from $110,000 for 2009, 2010 and 2011). The new Social Security Taxable Wage Base is $110,100 (up from $106,800).
For a more complete chart go here: Retirement Plan Limitations Chart