In 1890 which region was least densely populated?

The top ten least densely populated countries (by population per km2) are:

1. Mongolia (1.7)
2. Namibia (2.6)
3. Australia (3.0)
4. Iceland (3.1)
5. Mauritania (3.3)
6. Suriname (3.3)
7. Canada (3.5)
8. Botswana (3.5)
9. Guyana (3.7)
10. Libya (3.7)