KDP categories · Top KDP authors
Philosophy (Religious Studies & Reference, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Philosophy (Religious Studies & Reference, Kindle eBooks), updated Nov 3, 2026: median price $9.29, median 509 reviews, average rating 4.6 and a KDPTop opportunity score of 26/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $12.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 6% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 35% of the parent category Religious Studies & Reference (1,436), one of the easier corners under it.
- Its review barrier is higher than in 80% of Kindle eBooks categories: the median best seller has 509 reviews, so new books need time to build up.
- Prices spread wide: the middle half runs from $3.99 to $12.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Philosophy best sellers
-
The Devils of Loudun
- List rank#1
- Price$7.99
- Rating4.4
- Reviews632
-
The Holy Spirit’s Presence: Accessing God's Power by Acknowledging Our Weakness
by A. W. Tozer
- List rank#2
- Price$0.19
- Rating4.7
- Reviews721
-
Complete Works of Immanuel Kant: Including The Critique of Pure Reason, The Critique of Practical Reason & many others (Grapevine Edition)
- List rank#3
- Price$0.49
- Rating4.3
- Reviews96
-
Obedience to Christ: Striving For the Greatest Wisdom of All through Unwavering Devotion and Discipleship (Grapevine Edition) (Christian Teaching Books on God, Jesus Christ & the Church)
by A. W. Tozer
- List rank#4
- Price$0.19
- Rating4.8
- Reviews416
-
God Is Not Great: How Religion Poisons Everything
- List rank#5
- Price$11.99
- Rating4.6
- Reviews10,198
-
The Wisdom of Insecurity: A Message for an Age of Anxiety
by Alan Watts
- List rank#6
- Price$14.99
- Rating4.6
- Reviews6,944
-
Happy Lies: How a Movement You (Probably) Never Heard Of Shaped Our Self-Obsessed World
by Melissa Dougherty
- List rank#7
- Price$3.99
- Rating4.8
- Reviews716
-
A Return to Love: Reflections on the Principles of A Course in Miracles —A Spiritual Guide to Inner Peace and Fulfillment (The Marianne Williamson Series)
- List rank#8
- Price$12.99
- Rating4.6
- Reviews8,099
-
The Complete Works of David Hume: An Enquiry Concerning Human Understanding, A Treatise of Human Nature, The History of England, The Natural History of Religion, Essays, Personal Correspondence
by David Hume
- List rank#9
- Price$0.52
- Rating4.3
- Reviews27
-
Same niche in Books: Philosophy
FAQ
Is Philosophy a good niche for Amazon KDP?
Its KDPTop opportunity score is 26/100, which makes it highly competitive. The median best seller has 509 reviews and sells for $9.29.
How many reviews do you need to rank in Philosophy?
The median best seller has 509 reviews, and 15% of them have fewer than 100.
What do Philosophy best sellers cost?
The median price is $9.29; half of the best sellers are priced between $3.99 and $12.99.
Can new books break into Philosophy?
6% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.