Title
Certification
Chart Position Peak
i want you back (1998)
11
(god must have spent) a little more time on you (1998)
13
tearin' up my heart (1998)
23
music of my heart (with gloria estefan) (1999)
15
bye bye bye (2000)
x3
1  (3 weeks)
it's gonna be me (2000)
x3
1  (2 weeks)
this i promise you (2000)
4
i'll never stop / that’s when i’ll stop loving you (2000)
6
pop (2001)
x2
3
gone (2001)
16
tell me, tell me… baby (2001)
5
girlfriend (with nelly) (2002)
11
in the end (w/ backstreet boys, o-town & 98 degrees) (2016)  
21

(*also see justin timberlake)

Title
Certification
Chart Position Peak
*nsync (1998)
12
no strings attached (2000)
x4
2
celebrity (2001)
x2
1  (1 week)
greatest hits (2005)
6
the essential (2014)  
6