See here for methodology.
| Title | Author | Goodreads raters | LibraryThing owners |
| Harry Potter and the Philosopher’s Stone | J.K. Rowling | 10,371,677 | 137,024 |
| Harry Potter and the Prisoner of Azkaban | J.K. Rowling | 4,340,803 | 109,647 |
| Harry Potter and the Chamber of Secrets | J.K. Rowling | 4,061,552 | 112,957 |
| 1984 | George Orwell | 4,784,316 | 83,782 |
| Harry Potter and the Goblet of Fire | J.K. Rowling | 3,815,466 | 104,567 |
| Harry Potter and the Deathly Hallows | J.K. Rowling | 3,807,948 | 98,539 |
| Pride and Prejudice | Jane Austen | 4,369,161 | 82,844 |
| Harry Potter and the Order of the Phoenix | J.K. Rowling | 3,480,151 | 103,139 |
I normally list the top eight books set in each country. There is no prize for guessing what the ninth book would have been.
The first time that I have read all eight!
I disqualified The Hobbit, though it is arguable that Tolkien intended a continuity between the Shire and England.
I might do Wales and Northern Ireland separately when I get to that stage of the population rankings.
Next up is Tanzania.
Asia: India | China | Indonesia | Pakistan | Bangladesh (revised) | Russia | Japan | Philippines (revised) | Vietnam | Iran | Türkiye | Thailand | Myanmar | South Korea | Iraq | Afghanistan | Yemen | Uzbekistan | Malaysia | Saudi Arabia | Nepal | North Korea | Syria | Sri Lanka | Taiwan | Kazakhstan | Cambodia
Americas: USA | Brazil (revised) | Mexico | Colombia | Argentina | Canada | Peru | Venezuela | Guatemala | Ecuador | Bolivia
Africa: Nigeria | Ethiopia (revised) | Egypt | DR Congo | Tanzania | South Africa | Kenya | Sudan | Uganda | Algeria | Morocco | Angola | Mozambique | Ghana | Madagascar | Côte d’Ivoire | Cameroon | Niger | Mali | Burkina Faso | Malawi | Zambia | Chad | Somalia | Senegal | Zimbabwe | Guinea | Benin | Rwanda | Burundi | Tunisia
Europe: Russia | Türkiye | Germany | France | UK | Italy | Spain | Poland | Ukraine | Romania | Netherlands
Oceania: Australia