Your TSP Contribution Limit Will be Higher in 2018

The IRS has announced the annual contribution limit to the TSP for 2018.

The IRS recently announced the contribution limits for retirement savings programs in 2018.

For the Thrift Savings Plan, the annual contribution limit is increasing from $18,000 to $18,500 per year. The catch-up contribution limit for employees aged 50 and over will remain unchanged at $6,000 per year. These figures only apply to the individual contribution amounts and do not include any agency matches. For details on how you can incorporate these changes into your TSP savings plan, see Retirement Success Habit: Getting Your TSP Ready For 2018.

For IRAs, the annual contribution limit will remain unchanged at $5,500 per year. This applies to the Roth IRA as well.

The table below shows the progression of recent historical contribution limits to the TSP.

Year Annual Contribution Limit Max Catch-Up Contribution Limit
2007 $15,500 $5,000
2008 $15,500 $5,000
2009 $16,500 $5,500
2010 $16,500 $5,500
2011 $16,500 $5,500
2012 $17,000 $5,500
2013 $17,500 $5,500
2014 $17,500 $5,500
2015 $18,000 $6,000
2016 $18,000 $6,000
2017 $18,000 $6,000
2018 $18,500 $6,000


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Ian Smith is one of the co-founders of He has over 20 years of combined experience in media and government services, having worked at two government contracting firms and an online news and web development company prior to his current role at FedSmith.