誰是billboard記錄保持者?

In U.S.A.
For the "Rock and Roll era" and later (post-1950s): The Beatles as a band, had the most #1 hits. If you only mean an individual and not a group then it's Elvis Presley.

The Beatles had 20 #1 hits, Elvis had 17-18 depending on the source.

Beatles:
1 Love Me Do" - 1 week
2 "She Loves You" - 2 weeks
3 "I Want to Hold Your Hand" - 7 weeks
4 "Can't Buy Me Love" - 5 weeks
5 "A Hard Day's Night" -2 weeks
6 "I Feel Fine" – 1 week
7 "Eight Days a Week" – 2 weeks
8 "Ticket to Ride" - 1 week
9 "Help!" – 3 weeks
10 "Yesterday" – 4 weeks
11 "We Can Work It Out" – 3 weeks
12 "Paperback Writer" – 2 weeks
13 "Penny Lane" – 1 week
14 "All You Need Is Love" – 1 week
15 "Hello, Goodbye" – 3 weeks
16 "Hey Jude" – 9 weeks
17 "Get Back" – 5 weeks
18 "Come Together" 1 week
19 "Let It Be" 2 weeks
20 "The Long and Winding Road" 2 weeks

In England:
Elvis Presley had 21 #1 hits
Elvis Presley topped the chart for a total of 80 weeks

Beatles had 17 #1 hits . They topped the chart for a total of 69 weeks