Music certifications prior to 1990 were only awarded by record labels of their artists through their own guidelines until PARI took the obligation.
[5] This is why only partial sales figures for international albums such as Fearless, Doo-Wops & Hooligans, All Saints, and The Fame have been included on this list.
Mandy Moore's self-titled second album had sold 200,000 copies in the Philippines, making it the second best-selling album in the Philippines by a female foreign singer behind Alanis Morissette's Jagged Little Pill.
[6] As of 2005, Jose Mari Chan's Constant Change (1989) and as of 2009 Christmas in Our Hearts (1990) still remain as the best-selling albums in the country with the estimated sales of more than 800,000 copies each.
[7][8][9] Other artists such as Eraserheads and Rivermaya have three albums on the list, while Gary Valenciano, Jaya, Jolina Magdangal, MYMP, Smokey Mountain and Westlife each have two.