Retirement: How big will your Social Security check be?

-- The national average monthly benefit for retired workers is $1,002; in Mississippi it is $920. -- Most people will pay $104.90 of that each month in Medicare premiums.

-- The maximum Social Security benefit in 2015 is $2,663 for workers retiring at full retirement age.

-- To get the maximum benefit, annual income must average more than $100,000 a year.

-- The amount can be higher for those who wait to collect (up to age 70) and lower for those who retire early.

-- Full retirement age is 66 for those born between 1942 and 1954, 66 years and several months for those born between 1955 and 1959 and 67 for those born in 1960 or later.

-- Early eligibility age is 62, but your benefits are reduced by 25 percent for the rest of your life.