KEY POINTS
  • A cost-of-living increase and Medicare could change your Social Security check in the new year.
  • Information on how your benefits will be affected is available this month through the Social Security Administration's website.
  • Check your online profile to make sure your earnings record and other personal information is correct.

Recent changes could alter how much you receive from Social Security next year — and now is the time to see how you may be affected.

The Social Security Administration unveiled its annual cost-of-living adjustment, or COLA, for 2018 in October. The 2 percent increase for next year marks a significant jump over last year, which was just 0.3 percent. It's also the biggest change since 2012, when older Americans saw a 3.6 percent raise.