This is NOT a deep dive into academic-level research, so don't go all "thesis committee" on this, it is superficial FYI stuff by most standards. But the sources are more heavily weighted toward professional organizations rather than (frequently over-optimistic) marketing researchers. What you see here are the highlights...there is a longer PDF version here 📋, if interested. ➡️ GENRES CURRENTLY LEADING AUDIOBOOK SALES - General Fiction is the clear leader, at more than double any other single category - 71% - Sci-Fi/Fantasy and Romance tie for second. Romance is a standout performer, up about 30% year over year in 2024. - Non-fiction is a smaller slice. General Non-Fiction and Mystery/Thriller each hold about 9%. - The "Other" (29%) includes biography, self-help, YA, and children's isn't to be ignored, but there seems to be less APA data on this slice of the pie. ➡️ THE PLATFORM RACE IS HEATNG UP 🟠 Audible is still #1 but losing ground. One estimate puts its U.S. distribution revenue share at about 41.2% in 2026, down from 56% in 2022. Other estimates run higher, so the direction is more reliable than the exact number. 🔴Spotify is the disruptor. - It bundles audiobook listening into Premium, and about 25% of paying users have tried it. - Its catalog passed 700,000 titles across 22 markets in May 2026. - It launched new Audiobooks+ subscription tiers and AI-powered creation tools (in beta) for self-published authors. 🔥🔥🔥Everyone is investing in AI. - Audible launched AI narration and translation services for publishing partners in May 2025. - Spotify's tools target indie authors. Others are expanding. - 🔥Rakuten Kobo extended Kobo Plus to Taiwan and Hong Kong (January 2024). - 🔥Storytel entered Colombia, Chile, and Argentina (2025). - 🔥Libraries, through OverDrive/Libby, hold roughly 21.7% of channel share. Sources: Straits Research (straitsresearch.com/report/audiobook-market); Research and Markets, Audiobooks Market Overview 2025-2030; Spotify Newsroom (newsroom.spotify.com).