"Paulina" was certified 4× Platinum in Mexico according to AMPROFON after reaching sales of 600,000 units. In the United States, "Paulina" reportedly sold 255,000 copies in 2001. It reached number one on the "Billboard" Top Latin Albums chart on February 24, 2001, 33 weeks after its debut on the chart and it stayed there for two consecutive weeks. On May 26, a year after its release, the album topped the chart again at number one. During that period, she received her first standard-type gold certification for shipping 500,000 copies in that country. Rubio set a record by becoming the first Mexican singer to receive a standard RIAA gold certifield. The album reaching No. 156 on the "Billboard 200" and No. 6 Heatseekers Albums. With its success, Rubio held the record for the highest 2001 sales by a Latin artist and in total was certified 8× platinum for the shipping of 800,000 copies in the U.S alone. According to some sources such as Telemundo, this album sold 1 million copies in the United States, although as of July 2002, Nielsen SoundScan reported a total of 374,000 units.