In 2002, nonsupervisory workers in advertising and public relations services averaged $602 a week-significantly higher than the $506 a week for all nonsupervisory workers in private industry.

In addition to a straight salary, many workers receive additional compensation, such as profit sharing, stock ownership, or performance-based bonuses.

Only 2 percent of workers in advertising and public relations services belong to unions or are covered by union contracts, compared with about 15 percent of workers in all industries combined.