Coverage Rate describes the share of the defined target audience that is actually reached by a campaign. In OOH and DOOH, it reflects how well the selected sites, together with the campaign’s weight and duration, match the audience’s real‑world movement patterns in everyday life. In other words, it measures what proportion of the target audience has the opportunity to be exposed to the message at least once during the campaign period.

In relation to Outdoor Impact, Coverage Rate becomes an important planning and evaluation metric, because Outdoor Impact is built on standardised principles for describing and comparing reach, contacts and campaign delivery in out‑of‑home media. In this context, Coverage Rate helps advertisers understand how effectively a campaign actually covers the audience they want to reach – not just in theory, but based on how people truly move through urban environments, transport hubs, retail areas and other public spaces.

A high Coverage Rate means that a large share of the target audience is reached at least once, which is critical in reach‑driven and brand‑building campaigns. With Outdoor Impact as the reference framework, this becomes particularly valuable because it makes it easier to compare campaigns, markets and formats using a common language. It creates greater transparency in planning and provides a clearer basis for assessing how well an OOH or DOOH campaign is delivering against the intended audience.

For advertisers, this means Coverage Rate is not only an internal planning metric, but also part of a broader, more harmonised way of evaluating out‑of‑home advertising. When campaigns are assessed according to standards aligned with Outdoor Impact, it becomes easier to demonstrate how much of the target audience is actually being reached, to compare different campaign setups, and to give out‑of‑home a clearer role within the total media mix.