Artpop had first-week sales of about 258,000 copies in 1999.
 The following week, the record dropped to number eight on the Billboard 200 with sales of under 46,000 copies for an 82% sales decrease, making Gaga the first artist to have two albums in the top five list of all-time biggest second-week percentage drops in the Nielsen SoundScan era
3 million units according to the International Federation of the Phonographic Industry (IFPI), making it the ninth best-selling effort of the year

