Nielsen is a global measurement and data analytics company that provides the most complete and trusted view available of consumers and markets worldwide. Nielsen ratings are the audience measurement systems operated by Nielsen Media Research that seek to determine the audience size and composition of television programming in the United States. Our approach marries proprietary Nielsen data with other data sources to help clients around the world understand what's happening now, what's happening next, and how to best act on this knowledge.For more than 90 years Nielsen has provided data and analytics based on scientific rigor and innovation, continually developing new ways to answer the most important questions facing the media, advertising, retail and fast-moving consumer goods industries. An S&P 500 company, Nielsen has operations in over 100 countries, covering more than 90% of the world's population.We study consumers in more than 100 countries to give you the most complete view of trends and habits worldwide. And we're constantly evolving, not only in terms of where we measure, or what we measure, but also in how our insights can help you drive profitable growth.