Keep REQUESTING Leavin' and buy the album if you haven't already.

itunes - #7

As of June 21, 2008
Hot 100
#16 - Leavin' - Jesse McCartney

Hot Dance Music
#8 - Leavin' - Jesse McCartney

Billboard 200
#89 - Departure - Jesse McCartney

OTHER CHARTS
Taiwan Album Chart - #1
ARIA Chart (Australia) - #92
Canada Album Chart - #37
Italy Album Chart - #15
Hot 100 Brazil - #94

NOTE: the info was take from wikipedia, so it may not be correct. Wikipedia fixed their mistake.
As of June 21, 2008 the album has sold 450,353 copies in the U.S.