The IRS increased the contribution limits for 401k and 403b accounts for 2012. The 2011 limit was $16,500 while 2012 increased to $17,000.401k and 2011 IRA limits for 2011-2012. Find out the contribution limits for your 401k and IRA retirement plans.2011-2012 Roth 401k and 2011 Roth IRA limits. Find out the contribution limits for your 401k and IRA retirement plans for this year and next year.In general, many of the pension plan limitations will change for 2012 because For married couples filing jointly, in which the spouse who makes the IRA contribution is A summary of the 2012 retirement contribution limits for 401k and Individual Retirement Accounts (IRA) including Roth IRAs and 401(k)s.2012 tax advantaged retirement plan contribution limits have officially been released by the IRS, with slight increases over 2011 limits; due mainly to cost of