Retirement

Quiz: How much do you know about Social Security?

MassMutual found that only 28 percent of Americans received a passing grade on its recent quiz of basic knowledge about Social Security retirement benefits.

Read MoreSocial insecurity: Many expect no retirement cash

Here are five of the questions MassMutual asked people about Social Security. Let's see how you measure up.

(You can also take the full 12-question quiz on MassMutual's website.)