The longevity economy, representing all economic activity serving the needs of Americans over 50, is expected to top $13.5 trillion by 2032, according to Oxford Economics. This opportunity isn't lost on savvy entrepreneurs.

Out of a total 290 entrepreneurs who attended the annual Boomer Summit last month in Chicago, 40 percent were entrepreneurs hoping to pitch their products to potential investors and get ideas on how to best appeal to this demographic. That was twice the amount as the previous year, and for the first time, they came from many different countries.