What is the best selling album in Asia?

Asia's best-selling album of all time is Chinese singer-songwriter Jay Chou's "Jay", released in November 2000. It sold over 20 million copies worldwide, making it one of the best-selling albums of all time. The album was a huge success in Asia, particularly in China, where it sold over 15 million copies. It also sold over 1 million copies in Taiwan and Hong Kong, and over 3 million copies in other Asian countries. The album was a commercial success in other parts of the world as well, selling over 1 million copies in the United States and over 500,000 copies in Europe.

The album's success is attributed to a number of factors, including Jay Chou's unique musical style, which combines elements of Chinese pop, rock, and R&B. The album also features several hit singles, including "Love Before BC" and "Ninja". Jay Chou's charismatic personality and his ability to connect with his audience also contributed to the album's success.