NEW YORK—Almost 80 percent of the current manufacturing workforce is between the ages of 45 and 65, says a new report from ThomasNet.com. One-third are between 55 and 64 years old and starting to look toward retirement. Yet more than three-quarters of the manufacturers in the study said that fewer than 25 percent of their employees are under age 30, and most don’t see that changing anytime soon. MORE