Between 1985 and 2014, the number of retirement-age people remaining in the workforce doubled.

Today, many managers are introducing new work-flexibility policies for older workers, to facilitate a natural path into retirement.

In the meantime, their experience is valuable.

"Preserving critical knowledge is vital to the longevity of any business," says one boss interviewed. "The skills that my employees possess require hands-on learning. With time and training, new workers can learn these skills, but only if someone is there to teach them."

Americans are living and working longer. With more desiring to stay within the traditional workforce, America's employers should be adaptable and supportive.

A little empathy could translate into a more stable company.

Read full article at CNBC.