Wages of workers in the chemical industry vary according to occupation, the specific industry segment, and the size of the production plant. Earnings by major occupation group are shown in table 3.
 

The principal unions representing chemical workers are the PACE (Paper, Allied-Industrial, Chemical, and Energy Workers) International Union and the International Chemical Workers Union. In 2002, almost 14 percent of chemical manufacturing workers were union members or covered by union contracts, compared with about 15 percent of all workers.