Musically, "Kylie" is a bubblegum pop and dance-pop album. It received mixed reviews from contemporary music critics who criticized its dated production. It was a commercial success, peaking at number one in the United Kingdom for six weeks and becoming the best-selling album of 1988. It is her only number-one album in New Zealand, while peaking at number two in her native Australia. In the United States, it was certified gold for selling over 500,000 copies. "Kylie" was certified six times platinum in the United Kingdom and has sold over five million copies worldwide.