Investing in mutual funds for retirement is never too late. And the Zacks Mutual Fund Rank can be an excellent tool for investors looking to invest in the best funds.

The easiest, most reliable way to judge a mutual fund's quality over time is by analyzing its performance, diversification, and fees. The Zacks Mutual Fund Rank, which covers over 19,000 mutual funds, has helped us identify three outstanding options that are perfect for any long-term investors' portfolios that is retirement-focused.

Let's take a look at some of our top-ranked mutual funds with the lowest fees.

If you are looking to diversify your portfolio, consider Hartford Schroder Intl Multi Val F (HFYFX). HFYFX is a part of the Non US - Equity fund category, many of which will focus across all cap levels, and will typically allocate their investments between emerging and developed markets. This fund is a winner, boasting an expense ratio of 0.74%, management fee of 0.7%, and a five-year annualized return track record of 12.83%.

BlackRock Advantage Lrg Cap Gr K (BMCKX Quick QuoteBMCKX - Free Report) : 0.57% expense ratio and 0.56% management fee. BMCKX is a Large Cap Growth option; these mutual funds purchase stakes in numerous large U.S. companies that are expected to develop and grow at a faster rate than other large-cap stocks. With yearly returns of 14.41% over the last five years, BMCKX is an effectively diversified fund with a long reputation of solidly positive performance.

NYLI Epoch Global Equity Yield I (EPSYX): 0.84% expense ratio and 0.7% management fee. EPSYX is a Global - Equity mutual fund. These funds invest in large markets like the U.S., Europe, and Japan, and operate with very few geographical limitations The fund is mainly invested in equities, has a long reputation of salutary performance, and has yearly returns of 13.26% over the last five years.

There you have it. If your financial advisor had you put your money into any of our top-ranked funds, then they've got you covered. If not, you may need to talk.