Here's why:
* Genre and Popularity: Some genres like romance or thrillers sell more copies than others. Established, best-selling authors make significantly more than debut authors or authors in niche genres.
* Book Format: E-books have different royalty rates than print books, and audiobooks add another income stream.
* Publishing Deal: Traditional publishing deals have different royalty structures, advances, and marketing support. Self-published authors have more control but also bear more financial responsibility.
* Additional Income: Authors can generate income from speaking engagements, workshops, merchandise, and even brand partnerships.
Instead of an "average," here's a more realistic view:
* Many authors earn less than $10,000 a year. This is especially true for debut authors and those in niche markets.
* Some authors earn a modest living, around $20,000-$40,000 annually. This often involves combining writing with other part-time jobs or freelance work.
* A select few successful authors earn six figures or more. These are often established authors with a loyal following or those who have achieved significant media attention.
The bottom line: Becoming a successful author is about more than just writing a good book. It takes dedication, marketing savvy, and often, a bit of luck.