KDP categories · Top KDP authors
Certification: Amazon KDP category data
Amazon Books Best Sellers data for Certification, updated Nov 3, 2026: median price $36.99, median 79 reviews, average rating 4.6 and a KDPTop opportunity score of 36/100 (highly competitive).
| Price range (middle 50%) | $29.99 – $42.55 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 14% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 3% of the parent category Computers & Technology (2,546), one of the easier corners under it.
- At $36.99 its median price beats 92% of Books categories, leaving more margin per copy.
- 14% of its best sellers came out in the last 90 days, more than in 78% of Books categories: readers here keep buying new titles.
Top 10 Certification best sellers
-
CCNA 200-301 Official Cert Guide Library
by Wendell Odom
- List rank#1
- Price$3.99
- Rating4.7
- Reviews331
-
CompTIA A+ Complete Study Guide, 2-Volume Set: Volume 1 Core 1 Exam 220-1201 and Volume 2 Core 2 Exam 220-1202 (Sybex Study Guide)
by Quentin Docter
- List rank#2
- Price$25.24
- Rating4.6
- Reviews204
-
CompTIA Security+ Certification Kit: Exam SY0-701 (Sybex Study Guide)
by Mike Chapple
- List rank#3
- Price$41.83
- Rating4.7
- Reviews817
-
CompTIA Security+ Study Guide with over 500 Practice Test Questions: Exam SY0-701 (9th Edition)
by Mike Chapple
- List rank#4
- Price$29.59
- Rating4.6
- Reviews366
-
CompTIA Security+ SY0-701 Study Guide: The All in One Manual to Prepare for the Certification Exam – Includes Lab Simulators, 4 Full-Length Practice ... Trainer Pro (CompTIA Certification Series)
by Shawn Walker
- List rank#5
- Price$20.99
- Rating4.6
- Reviews173
-
Cybersecurity Terminology & Abbreviations- CompTIA Security Certification: a QuickStudy Laminated Reference Guide
by George Antoniou PhD
- List rank#6
- Price$7.41
- Rating4.7
- Reviews218
-
ISC2 CISSP Official Study Guide & Practice Tests Bundle (Sybex Study Guide)
by Mike Chapple
- List rank#7
- Price$58.84
- Rating4.7
- Reviews551
-
-
CompTIA Security+ Get Certified Get Ahead: SY0-701 Study Guide
by Joe Shelley
- List rank#9
- Price$37.99
- Rating4.6
- Reviews497
-
CompTIA® Security+® SY0-801 Certification Guide: Build essential cybersecurity skills and pass the SY0-801 exam on your first attempt
by Ian Neil
- List rank#10
- Price$35.99
- Rating5.0
- Reviews10
Subcategories
Same niche in Kindle eBooks: Certification, Training & Reference
FAQ
Is Certification a good niche for Amazon KDP?
Its KDPTop opportunity score is 36/100, which makes it highly competitive. The median best seller has 79 reviews and sells for $36.99.
How many reviews do you need to rank in Certification?
The median best seller has 79 reviews, and 51% of them have fewer than 100.
What do Certification best sellers cost?
The median price is $36.99; half of the best sellers are priced between $29.99 and $42.55.
Can new books break into Certification?
14% 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.