The Beatles are the best-selling band in history, with estimated sales of over 800 million albums worldwide. They are the best-selling music artists in the US, with certified sales of over 178 million units, and have had more number-one albums on the British charts, and have sold more singles in the UK, than any other act. The group were inducted into the Rock and Roll Hall of Fame in 1988, and all four main members were inducted individually between 1994 and 2015. In 2008, the group topped Billboard magazine's list of the all-time most successful artists; as of 2019, the Beatles hold the record for most number-one hits on the Hot 100 chart with twenty. The band have received seven Grammy Awards, an Academy Award (for Best Original Song Score for the 1970 film Let It Be) and fifteen Ivor Novello Awards. They were also collectively included in Time magazine's compilation of the twentieth century's 100 most influential people.