Who has the most number one singles in music history?

The Beatles hold the record for the most number-one singles in music history, with 20 chart-topping hits in the United States and 17 number-one singles in the United Kingdom. The Beatles' long list of number-one hits includes iconic songs like "Love Me Do," "Please Please Me," "From Me to You," "She Loves You," "I Want to Hold Your Hand," "Can't Buy Me Love," "A Hard Day's Night," "Help!," "Yesterday," "We Can Work It Out," "Paperback Writer," "Yellow Submarine," "Eleanor Rigby," "Penny Lane," "All You Need Is Love," "Hello, Goodbye," "Lady Madonna," "Hey Jude," and "Let It Be."