So with her 2nd, 3rd, 4th and miley feature as singles by the end of this era she can surpass Rihanna and potentially tie AKB 48 with #1s.
Pass Mariah for most top 10 tracks and rank 4th
By her next two albums she should be firmly planted at #3 most WW #1 hits depending on rihanna and #2 most top 10 hits behind Madonna
This is all with 2 more albums 2016 and 2018 by the end of decade stats.