Nielsen ONE Ads offers an unprecedented view of the audience at every step of the media journey; from who saw an ad to how the campaign was delivered to audiences and what actions those audiences took as a result.

Nielsen, the global leader in audience measurement, data, and analytics, has announced the launch of Nielsen ONE, its cross-media measurement solution in markets worldwide, starting with Nielsen ONE Content in Denmark. This launch marks the first step in a global rollout of deduplicated, comparable, and comprehensive audience measurement across all platforms and types of media. The deployment timeline and solution details will vary by market.

Nielsen ONE allows publishers and platforms to precisely know who is watching what to reach the most important audiences, and provides media buyers the ability to plan, optimize, and measure campaigns with confidence.

By aggregating visibility across all information distribution channels, Nielsen ONE Content provides the industry with a deeper understanding of the value of content to guide content development strategies, media planning, and ultimately content distribution agreements.

“The global launch of Nielsen ONE Content and Ads helps us drive a better future for media and marks a truly transformative step toward cross-media and deduplicated media measurement,” said Deirdre Thomas, Chief Product Officer of Nielsen Audience Measurement. “The activation of Nielsen ONE Content in Denmark is a major milestone for the industry and the future of audience measurement across multiple platforms and devices to provide deduplicated metrics. Denmark has always been a pioneer market for us when it comes to audience measurement, and the launch of Nielsen ONE is further proof of this.”

Nielsen will focus on three fundamental guiding principles when delivering cross-media measurement worldwide:

Multiplatform: Adhering to rigorous measurement standards and working closely with relevant industry parties, Nielsen ONE enables comparability across different platforms so that media buyers and sellers have the most comprehensive view of their audiences.

Coverage: Utilizing the best available data in each market* to ensure the most robust coverage across all devices, platforms, and services. Nielsen will continue to expand its coverage with direct integrations with digital publishers and streaming services.

Quality: Nielsen will continue to enhance the quality of its measurement products to ensure they accurately reflect current viewing habits across all devices. Using the Nielsen ID system, which incorporates panels, third-party identity data, as well as direct integrations with publishers, Nielsen ONE provides the industry with precise knowledge of the actual audience at the individual level.

The global availability of these solutions will vary, and the ability to deduplicate across computer, mobile, linear TV, and connected TV (CTV) will depend on data availability in each market. Nielsen ONE Ads has been available since September 26 in the following markets: Germany, Australia, Brazil, Canada, South Korea, Denmark, Spain, the Philippines, France, India, Indonesia, Italy, Japan, Mexico, Norway, Poland, the United Kingdom, Singapore, Sweden, and Thailand.”