Where the hell were you back when Number Ones was released????
CONTROL sold more than 14 million copies worldwide, with five #1 singles. The best-selling album of 1990, RHYTHM NATION 1814 sold more than 14 million copies worldwide, making Janet the first and only artist in history to produce seven top 5 hits from one album. JANET, sold 20 million albums worldwide, with six hit singles and a nomination for an Academy Award® for Best Original Song, "Again." THE VELVET ROPE has sold more than 10 million worldwide, with six hit singles. ALL FOR YOU was Janet's fifth consecutive album to debut at #1, with more than seven million in worldwide sales.
http://www.prnewswire.com/news-releases/janet-jacksons-greatest-hits-celebrated-on-number-ones-64079852.html
IDK why these labels are still quoting 14mil for Control and RN1814. That figure is from 1998, and I doubt they sold the same amount.