Rihanna
Elvis Presley
As a solo artist she had 14 top 40 hits
None.....He never had a number one hit, at least through 1997.
Michael Jackson made over 750 songs.
Arnold not only had 28 No. 1 singles, he had more charting singles than any other artist.
Barney Miller - 1974 Escape Artist 1-11 was released on: USA: 10 April 1975
Rihanna has had 11 No. 1 hits to date. She has the most of any other female artist of this decade.
"Fame" by David Bowie was the number 1 hit song on September 30, 1975.
Madonna , Whitney Houston
the top selling country artist of all time is George Strait with 59 no. 1 hits
The question is about #1 single in the world, not world chart, so, it's Ayumi Hamasaki:Record: Only female and solo artist with 30 number-one singlesRecord: Only female and solo artist with 40 TOP 10 singlesRecord: Artist with most #1 singles within consecutive years (10).These information are from 2008.