Source: Insider Intelligence | eMarketer, December 2023 - October 2023
Note: All years converted to US dollars using average 2022 exchange rates; includes ads on ecommerce websites like Alibaba properties; includes advertising that appears on desktop/laptop computers, mobile phones, tablets and other internet-connected devices; includes programmatic ads that are transacted in real time, at the impression level; *includes ads transacted through a public RTB auction in which any buyer or seller can participate, also known as open auction or open marketplace; **includes ads transacted through an invitation-only RTB auction where one publisher or a select group of publishers invite a select number of buyers to bid on its inventory Additional Note: Programmatic digital display ads are digital display ads transacted via an API, including everything from publisher-erected APIs to more standardized RTB technology.
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.