An Album Chart is a ranking system that lists the most popular music albums based on sales, streaming, and radio play. These charts help listeners discover new music and track the success of their favorite artists. Different organizations, like the Billboard in the United States, compile these rankings weekly or monthly. The charts can vary by genre, region, or format, such as physical albums versus digital downloads. They often reflect trends in the music industry and can influence an album's visibility and sales. Artists aim to reach high positions on these charts to gain recognition and boost their careers.