India, June 5 -- The Eras may be over, but the records certainly aren't. Years after turning her songs into a global phenomenon, this pop star has now achieved a new milestone that no female musician before her has managed to reach. And this time, it's not on the charts, but in the wealth rankings.

That superstar is Taylor Swift. Forbes has declared her the richest female musician in history, with an estimated net worth of $2 billion, further cementing a legacy built on blockbuster albums, sold-out tours and a fiercely loyal fanbase.

On Wednesday, Forbes unveiled its latest Iconoclast 50 list, spotlighting leaders across finance, business, technology, media, entertainment and philanthropy. The annual list celebrates industry leaders who...