Hmm another list where she will soon be top 3

Females with most cumulative weeks at #1 on Billboard 200:
46 Weeks- Whitney Houston
30 Weeks- Mariah Carey
24 Weeks- Barbara Streisand
24 Weeks- Adele
20 Weeks- Taylor Swift
19 Weeks- Madonna
19 Weeks- Carole King
15 Weeks- Janet Jackson
15 Weeks- Alanis Morissette
13 Weeks- Judy Garland
12 Weeks- Norah Jones
11 Weeks- Britney Spears
11 Weeks- Alicia Keys