More than half a million Americans over 80 continue working after retirement, earning a median wage of $57,100 in fields like education or construction.
Nearly 550,000 Americans 80 and older are still working, and the number is rising.
Nearly 550,000 Americans 80 and older are still working, and the number is rising. Getty images; BI
Nearly 550,000 Americans 80 and older are still working, and the nu... [11537 chars]