If you're in your 40s and have over $40,000 saved for retirement, you're ahead of most people in your age bracket.
Here's how much Americans have in their 401(k)s by age, according to Fidelity.
By the time you reach your 40s, you should aim to have three times your salary saved for retirement, according to Fidelity's guidelines.
Why Americans in their 40s haven't been able to save moreVarious factors have gotten in the way of this age cohort's ability to boost their retirement contributions.
How people in their 40s can boost their retirement savings
Persons:
they're, Anne Lester, Xers, Lester
Organizations:
Fidelity Investments, Fidelity, CNBC