"4 Reasons Why Your Social Security Statement Matters -- A Lot" - Forbes. 07/19/2019
“According to the Squared Away blog, “RAND researcher Philip Armour found that the statement does, in fact, prompt people to stop and think about retirement: workers said their behavior and perceptions of the program changed after seeing the statement of their benefits.”
“The statements bolstered their confidence that they could count on Social Security when they retire,” Armour found. “More importantly, receiving them in the mail spurred some people to work more.”