The Nielsen ratings for the first week of Netflix’s Bird Box confirm the streaming service’s claims that the movie had an extremely strong first week.

In December, Netflix announced on its Twitter account that the original horror film had gained over 45 million viewers during its first seven days of being available to stream. The streaming service also asserted that it was the “best first seven days ever for a Netflix film.”

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Nielsen’s numbers are a little different, but they still confirm the movie has done quite well. According to the ratings measurement company, the film garnered an unduplicated audience of around 26 million viewers during its first seven days. The different count is likely because Nielsen’s tally is specific to U.S. viewers, and to viewers who watched at least 70 percent of the film.

Nonetheless, the Nielsen ratings confirm the popularity of the film. In fact, its debut on Netflix was second only to Season 2 of Stranger Things in terms of unduplicated reach for a Netflix original.

It has been a strong year in terms of horror originals on Netflix, with the original series The Haunting of Hill House generating significant buzz, as well. Furthermore, with original films like Dumplin’ and To All the Boys I’ve Loved Before gaining attention for the streaming service, it seems likely viewers will continue to see more Netflix original movies.

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Bird Box is directed by Susanne Bier and stars Sandra Bullock, Trevante Rhodes, Jacki Weaver, Rosa Salazar, Danielle, Macdonald, Lil Rel Howery, Tom Hollander, BD Wong, Sarah Paulson, Colson Baker and John Malkovich.

(via Variety)