Additional Note: Healthcare & pharma includes pharmaceutical products, facilities, services, researchers, drug manufacturers and marketers, doctors, hospitals and biological products, as well as establishments providing health care services and social assistance for individuals; also includes health insurance advertising.
Methodology: Estimates are based on the analysis of various elements related to the ad spending market, including macro-level economic conditions; historical trends of the advertising market; historical trends of each medium in relation to other media; reported revenues from major ad publishers; estimates from other research firms; data from benchmark sources; consumer media consumption trends; consumer device usage trends; and eMarketer interviews with executives at ad agencies, brands, media publishers and other industry leaders.