90% of sci-fi authors earn under $15,000 per year from publishing.

Up to 75% of science fiction authors earn under $2,000 in a year from publishing.

How much do science fiction authors make? Who are the best-selling science fiction and fantasy authors of all time? Rank Several million copies have been sold to date

The Hitchhiker’s Guide to the Galaxy (1979) What are the best-selling science fiction books of all time?

In audiobooks, science fiction with fantasy holds the largest share of sales among all audiobook categories, generating over $1.6 billion in revenue in 2021.

Along with fantasy, the science fiction genre ranks no.8 on Amazon’s most competitive categories list.

In the juvenile category, the science fiction genre combined with fantasy sold over 20.3 million copies during the first half of 2018.

During the first half of 2018, the science fiction genre sold 2,679,000 copies, 18% higher than in 2017, with “Ready Player One” by Ernest Chile selling 430,000 copies alone.

Science fiction books in Australia sold 9% more copies in 2021 than in 2020.

In the United Kingdom, science fiction sales in 2021 were 23% higher compared to 2020.

Within comic books, science fiction sales grew by 8.3% in 2021 compared to 2020.

Science fiction books, combined with fantasy, generated $590.2 million in revenue in the United States.

Best sci fi audiobooks