It seems that not a week goes by when someone asks me about word counts. "How many words should my book be?" Well, according to Writer's Digest Magazine, here are the average word counts by genre. Keep in mind that each publishing company, agent, and editor will have their own specific expectations for word counts. These are benchmarks to be aware of - but not necessarily rules written in stone.
Non-Fiction: average 50,000, depending on topic
Short story: any fictional work under 7,500 words
Novelette: between 7,500 and 17,500 words
Novella: between 17,500 and 40,000 words
Novel: anything over 40,000
Adult & New Adult Novels: Commercial & Literary: