KDP categories · Top KDP authors
Non-US Legal Systems (Legal Theory & Systems, Books): Amazon KDP category data
Amazon Books Best Sellers data for Non-US Legal Systems (Legal Theory & Systems, Books), updated Nov 2, 2026: median price $25.50, median 25 reviews, average rating 4.5 and a KDPTop opportunity score of 38/100 (highly competitive).
| Price range (middle 50%) | $15.27 – $34.50 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 14% of the parent category Legal Theory & Systems (174), 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.
- At $25.50 its median price beats 85% of Books categories, leaving more margin per copy.
Top 10 Non-US Legal Systems best sellers
-
Why Nations Fail: The Origins of Power, Prosperity, and Poverty
- List rank#1
- Price$10.92
- Rating4.5
- Reviews10,977
-
What Happened to Liberal Democracy?: Remaking a Politics of Shared Prosperity
- List rank#2
- Price$16.76
- Rating4.1
- Reviews47
-
The Master and Margarita
- List rank#3
- Price$0.99
- Rating4.2
- Reviews1,152
-
The Dictator's Handbook: Why Bad Behavior is Almost Always Good Politics
by Bruce Bueno de Mesquita
- List rank#4
- Price$18
- Rating4.6
- Reviews2,483
-
The Fall of Republics: A History from Ancient Carthage to the American Constitution
by Thomas F. Madden
- List rank#5
- Price$28.87
- Rating4.6
- Reviews18
-
Medicare for All: A Citizen's Guide
- List rank#6
- Price$16.09
- Rating4.8
- Reviews150
-
-
Discrimination and Disparities
- List rank#8
- Price$14
- Rating4.8
- Reviews4,363
-
The Party: The Secret World of China's Communist Rulers
by Richard McGregor
- List rank#9
- Price$11.38
- Rating4.5
- Reviews571
-
Traumatized: The New Politics of Public Suffering
- List rank#10
- Price$12.95
- Rating3.9
- Reviews21
FAQ
Is Non-US Legal Systems a good niche for Amazon KDP?
Its KDPTop opportunity score is 38/100, which makes it highly competitive. The median best seller has 25 reviews and sells for $25.50.
How many reviews do you need to rank in Non-US Legal Systems?
The median best seller has 25 reviews, and 70% of them have fewer than 100.
What do Non-US Legal Systems best sellers cost?
The median price is $25.50; half of the best sellers are priced between $15.27 and $34.50.
Can new books break into Non-US Legal Systems?
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.