KDP categories · Top KDP authors
Vocabulary: Amazon KDP category data
Amazon Books Best Sellers data for Vocabulary, updated Nov 2, 2026: median price $12.09, median 560 reviews, average rating 4.6 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $9.99 – $15.12 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Books categories: established titles hold the list.
- Its review barrier is higher than in 77% of Books categories: the median best seller has 560 reviews, so new books need time to build up.
- At $12.09 its median price is below 80% of Books categories, so it is a volume game.
Top 10 Vocabulary best sellers
-
Merriam-Webster’s Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder
- List rank#1
- Price$18.93
- Rating4.7
- Reviews10,434
-
Merriam-Webster’s Vocabulary Builder - Perfect for prepping for SAT, ACT, TOEFL, & TOEIC
- List rank#2
- Price$6.50
- Rating4.7
- Reviews3,375
-
Merriam-Webster's 365 New Words-A-Year 2027 Day-to-Day Calendar
- List rank#3
- Price$13.67
- Rating4.3
- Reviews6
-
Word Power Made Easy: The Complete Handbook for Building a Superior Vocabulary
by Norman Lewis
- List rank#4
- Price$8.56
- Rating4.6
- Reviews5,420
-
Early Learning Library - Box Set of 10 Books : Big Board Books Series (Large Font)
- List rank#5
- Price$24.99
- Rating4.8
- Reviews1,232
-
McGraw-Hill Education Vocabulary Grades 3-5, Second Edition
by Gary Robert Muschla
- List rank#6
- Price$7.83
- Rating4.7
- Reviews2,069
-
The Complete Rhyming Dictionary: Including The Poet's Craft Book
by Clement Wood
- List rank#7
- Price$7.46
- Rating4.6
- Reviews3,172
-
The New Penguin Russian Course: A Complete Course for Beginners
by Nicholas J. Brown
- List rank#8
- Price$16.41
- Rating4.6
- Reviews1,980
-
200 Essential Sight Words for Kids Learning to Write and Read: Activity Workbook to Learn, Trace & Practice 200 High Frequency Sight Words
- List rank#9
- Price$9.99
- Rating4.8
- Reviews6,908
-
Uncovering the Logic of English: A Common-Sense Approach to Reading, Spelling, and Literacy
by Denise Eide
- List rank#10
- Price$14.99
- Rating4.8
- Reviews2,449
FAQ
Is Vocabulary a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 560 reviews and sells for $12.09.
How many reviews do you need to rank in Vocabulary?
The median best seller has 560 reviews, and 20% of them have fewer than 100.
What do Vocabulary best sellers cost?
The median price is $12.09; half of the best sellers are priced between $9.99 and $15.12.
Can new books break into Vocabulary?
4% 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.