Where do you come from? metoclopramide hcl tablet 10mg While the AFL-CIO is easily the nationâ?s largest labor bloc, representing more than 12 million workers and 57 member unions, its political power has declined alongside the broader shrinking in the labor movement as a whole. The proportion of the U.S. workforce with union representation was 11.3 percent in 2012, down from 20.1 percent in 1983, when Bureau of Labor Statistics data began.