[Locke.]

Nobody even comes close Kellz!

1. R. Kelly | 50 million WW | 33 million US | 8 Albums | 1991
2. Mary J. Blige |45 million WW |18 million US | 8 Albums| 1992
3. Toni Braxton | 40 million WW | 19.5 million US | 5 Albums | 1993
4. Usher | 35 million WW | 19.5 million US | 5 Albums | 1994
5. Brandy | 30 million WW | 10.5 million US | 5 Albums | 1994

WW= World Wide

I'm surprised that R has sold almost double the amount of any of the others in the US. Anyway, here's some others who just missed out on the list:

Ashanti: 28,000,000-ish 4 Albums
Rihanna: 11,000,000 + 3 Albums
John Legend: 7,200,000 - 3 Albums
Akon: 6,500,000 - 2 Albums
Mario: 5,000,000 - 3 Albums
Ciara: 4,500,000 - 2 Albums
Tyrese: 4,300,000 - 4 Albums

Loads of others too.

Groups:

Boyz ii Men - 85,000,000+
Destiny's Child - 60,000,000
TLC - 45,000,000
New Edition - 30,000,000
Outkast - 25,000,000
En Vogue - 20,000,000
Black Eyed Peas - 20,000,000
Salt-N-Pepa - 15,000,000