UK Real-Time Bidding (RTB) Ad Spending

Timeframe20202021202220232024
Open Exchange*
– billionsMaximum of two rows can be charted.
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– % changeMaximum of two rows can be charted.
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– % of total RTB digital display ad spendingMaximum of two rows can be charted.
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– % of total programmatic digital display ad spendingMaximum of two rows can be charted.
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– % of worldwide open exchange digital display ad spendingMaximum of two rows can be charted.
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Private Marketplace**
– billionsMaximum of two rows can be charted.
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– % changeMaximum of two rows can be charted.
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– % of total RTB digital display ad spendingMaximum of two rows can be charted.
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– % of total programmatic digital display ad spendingMaximum of two rows can be charted.
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– % of worldwide private marketplace digital display ad spendingMaximum of two rows can be charted.
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Real-Time Bidding
– billionsMaximum of two rows can be charted.
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– % changeMaximum of two rows can be charted.
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– % of total programmatic digital display ad spendingMaximum of two rows can be charted.
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– % of worldwide RTB digital display ad spendingMaximum of two rows can be charted.
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Source: eMarketer

Note: All years converted to US dollars using average 2021 exchange rates; includes native ads and ads on social networks like Facebook, Snapchat and Twitter; 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 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.

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