Katy Perry's 'Witness' Album Heading for No. 1 Debut on Billboard 200 Chart

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Katy Perry performs during 102.7 KIIS FM's 2017 Wango Tango at StubHub Center on May 13, 2017 in Carson, Calif. 

Katy Perry’s Witness album is on course for a No. 1 debut on the Billboard 200 chart, according to industry forecasters. Those in the know suggest the set, which was released on June 9 through Capitol Records, could launch atop the chart with between 200,000 and 225,000 equivalent album units earned in the week ending June 15. If Witness bows at No. 1, it will grant Perry her third chart-topper, following PRISM (in 2013) and Teenage Dream (in 2010).

The Billboard 200 chart ranks the most popular albums of the week based on multi-metric consumption, which includes traditional album sales, track equivalent albums (TEA) and streaming equivalent albums (SEA). The top 10 of the new July 1-dated Billboard 200 chart (where Perry could debut at No. 1) is scheduled to be revealed on Billboard’s websites on Sunday, June 18. (In the meantime, the June 24-dated list’s top 10 is still waiting in the wings, and Halsey’s Hopeless Fountain Kingdom is on course to debut at No. 1. That chart’s top 10 is due to be unveiled on June 11.)

If Witness starts with over 201,000 units, it will mark the largest week for an album by a woman since the Nov. 12, 2016-dated chart, when Lady Gaga’s Joanne bowed at No. 1 with 201,000 units. (The last album by a woman to score more than 202,000 units in a week was Beyoncé's Lemonade, when it earned 321,000 units in its second chart week, dated May 21, 2016.)

Of Witness’ estimated debut, perhaps over 175,000 of that sum will be generated by traditional album sales. Perry’s last album, PRISM, started with 286,000 copies sold.