KDP categories · Top KDP authors
Interest (Economics, Books): Amazon KDP category data
Amazon Books Best Sellers data for Interest (Economics, Books), updated Nov 3, 2026: median price $16.71, median 71 reviews, average rating 4.5 and a KDPTop opportunity score of 20/100 (highly competitive).
| Price range (middle 50%) | $12.97 – $22.74 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 2% of the parent category Economics (2,858), one of the easier corners under it.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Books categories: established titles hold the list.
Top 10 Interest best sellers
-
SIE Exam Prep: A Structured Roadmap for the Securities Industry Essentials with Certification-Focused Strategies and Practice Tools
by NS Publications
- List rank#1
- Price$29.99
- Rating4.7
- Reviews768
-
Smart Women Finish Rich, Expanded and Updated
by David Bach
- List rank#2
- Price$15.74
- Rating4.7
- Reviews1,933
-
The Price of Time: The Real Story of Interest
by Edward Chancellor
- List rank#3
- Price$16.97
- Rating4.6
- Reviews1,352
-
Buffett’s 2-Step Stock Market Strategy: Know When to Buy A Stock, Become a Millionaire, Get The Highest Returns
by Danial Jiwani
- List rank#4
- Price$20.40
- Rating4.5
- Reviews1,710
-
The Lifestyle Investor: The 10 Commandments of Cash Flow Investing for Passive Income and Financial Freedom
by Justin Donald
- List rank#5
- Price$13
- Rating4.4
- Reviews927
-
Event Planning: Management & Marketing For Successful Events: Become an event planning pro & create a successful event series
by Alex Genadinik
- List rank#6
- Price$8.99
- Rating4.3
- Reviews342
-
The Prosperity Bible: The Greatest Writings of All Time on the Secrets to Wealth and Prosperity
- List rank#7
- Price$1.99
- Rating4.7
- Reviews2,149
-
How to Build Seven Streams of Income: Achieving Financial Freedom Through Multiple Income Streams (Financial Freedom Series)
- List rank#8
- Price$13.95
- Rating4.6
- Reviews55
-
The General Theory of Employment, Interest and Money
by John Maynard Keynes CB Fba
- List rank#9
- Price$18.38
- Rating4.2
- Reviews1,185
-
The LSTA's Complete Credit Agreement Guide, Second Edition
by Michael Bellucci
- List rank#10
- Price$89.68
- Rating4.6
- Reviews68
Same niche in Kindle eBooks: Interest
FAQ
Is Interest a good niche for Amazon KDP?
Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 71 reviews and sells for $16.71.
How many reviews do you need to rank in Interest?
The median best seller has 71 reviews, and 60% of them have fewer than 100.
What do Interest best sellers cost?
The median price is $16.71; half of the best sellers are priced between $12.97 and $22.74.
Can new books break into Interest?
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.