Top 10 countries by population in 1000

This post is a list of the top 10 countries by population (including possessions) in 1000 AD. Source: Wikipedia

1. Song China: 32 - 80 million
2. Chola Empire: 4 - 20 million
3. Pala Empire: less than 16 - 17 million
4. Holy Roman Empire: 11 - 12 million
5. Fatimid Caliphate: 12 million
6. Byzantine Empire: 12 million
7. Western Chalukya Empire: 9 - 10 million
8. Buyid Persia: 6 - 8 million
9. Khitan Liao: 5 - 7 million
10. Kingdom of France: 7 million