The broadcast of the 2020 Democratic primary debate in Las Vegas on Thursday drew nearly 20 million viewers across NBC and MSNBC, making it the most-watched Democratic debate in television history, the network said.

The debate, which featured former New York City mayor Michael Bloomberg alongside the other Democratic candidates for the first time, averaged about 19.7 million viewers, according to Nielsen Fast National Data.

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An average of 5.3 million viewers in the 25-54 age demographic watched the debate across the two networks, a new high among that demographic as well. NBC said that an additional 13.5 million people live streamed the event, which took place just days ahead of the Nevada caucus.

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