Dangerously in Love: 9 million
B'day: 6.5 million
I Am... Sasha Fierce: 7.5 million
4: 2.9 million
+ One more Destiny's Child album (not 5, one): 13 million
Beyonce's sales go up to 39 million
Rihanna :
7 albums, less than 30 million worldwide]
Who said you can't compare 7 albums to less ?
I heard DIL was 11M+, B'Day 7M+ and 4 reached the 3M mark