1 in 5 seniors still work — and they're happier than younger workers

As Americans age, that demographic change is also impacting the workforce, with a new Pew Research Center analysis finding that 1 in 5 people over 65 are still working, a twofold jump from the 1980s. That translates into 11 million senior citizens who remain in the workforce, which by sheer numbers is quadruple the figure in the mid-1980s, Pew said. And it's a trend that's expected to continue, with Americans over 65 projected to be one of the few demographic groups with rising labor force participation over the next decade, according to the Bureau of Labor Statistics. Aside from giving a boost to the economy, older Americans who…