Nielsen Media Research

American audience measurement service

Nielsen Media Research (NMR) is an American firm that measures media audiences, including television, radio, theatre, films (via the AMC Theatres MAP program), and newspapers. Headquartered in New York City, it is best known for the Nielsen ratings, an audience measurement system of television viewership that has long been the deciding factor in canceling or renewing television shows by television networks. As of August 2024, it is the primary part of Nielsen Holdings.

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