Fleetwood Mac's 1988 Greatest Hits disc was released in 1988. It was last certified by the RIAA in 2000 at 8x platinum (8 million units shipped).
For the week ending July 25, 2010 "Greatest Hits" was at number 74 on Billboards Top 200 Catalog Album Chart with sales of 1,853 units. The previous week was 1,876 units sold. To date (1991 to present) the disc has sold 4,370,106 copies in the United States. Between the last sales update (September 6, 2009) and July 25, 2010 a total of 98,122 units have been sold.
Soundscan is the official method of tracking sales of music and music video products throughout the United States and Canada. It began tracking point of sale (POS) sales in early 1991. SoundScan is the sales source for the Billboard music charts, making it the official source of sales records in the music industry.