How many fans does the band Evanescence have?

As of my last update in September 2021, Evanescence is a rock band that has sold over 25 million albums worldwide and over 1.5 million concert tickets. The band has also accumulated over 10 million followers on social media platforms such as Facebook, Twitter, and Instagram. This popularity indicates a significant fan base, although the exact number of fans may fluctuate over time.

Note that this information is based on the data available to me as of September 2021, and there may have been updates or changes since then. For the most current and accurate figures, I recommend checking official sources, such as the band's website or social media pages.