Here is a look at Morissette's U.S. album sales, according to Nielsen SoundScan, as well as their Billboard 200 peaks:
14,668,000, "Jagged Little Pill," 1995 (No. 1, 12 weeks)
2,602,000, "Supposed Former Infatuation Junkie," 1998 (No. 1, 2 weeks)
1,019,000, "Under Rug Swept," 2002 (No. 1, 1 week)
651,000, "MTV Unplugged," 1999 (No. 63)
472,000, "So-Called Chaos," 2004 (No. 5)
373,000, "The Collection," 2005 (No. 51)
372,000, "Jagged Little Pill: Acoustic," 2005 (No. 50)
229,000, "Flavors of Entanglement," 2008 (No. 8)
76,000, "Feast on Scraps," 2002 (No. 194)
Morissette has sold 20.5 million albums in the U.S., with "Jagged Little Pill" ranking as the third-best-selling set since SoundScan began tracking sales in 1991.
Source:
http://www.billboard.com/#/column/ch...04126662.story