Britney's first week sales:
1) Hold it against me =
411K (
#1 digital songs)
2) Womanizer =
286K (
#1 digital songs)
3) Till the world ends = 117K (first 3 days of sales) /
273K estimated copies if it would've had a full week release
4) 3 =
255K (
#1 digital songs)
5) Circus =
212K (
#1 digital songs)
6) Gimme More =
179K (
#1 digital songs)
non-listed singles didn't have an official first week release since the songs start to sell as album tracks when the album is released.
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Applause =
200K (
#3 digital songs)
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If Britney gets a 200K first week sales , it would be her worst openning ever just behind "Gimme More" since digital sales became popular.
however "Gimme More" numbers of 179K where actually good enough to be the #1 of the week (digitally) according to the standards of that year (2007).
Britney turns 15 years of career this 2013.
