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1. Chile or Argentina?
Chile=69/km², Argentina 17/km²
2. Oman or Yemen?
Oman=24/km², Yemen=79/km²
3. Australia or Namibia?
Australia=3.5/km², Namibia=3.7/km²
4. Zimbabwe or Colombia?
Zimbabwe=44/km², Colombia=48/km²
5. Malta or Maldives?
Malta=1,686/km², Maldives=1,759/km²
6. Vatican City or Bangladesh?
Vatican City=1,800/km², Bangladesh=1,333/km²
7. Zambia or Peru?
Zambia=29/km², Peru=27/km²
8. Papua New Guinea or New Zealand?
Papua New Guinea=23/km², New Zealand=20/km²
9. Sao Tome and Principe or Uganda
Sao Tome and Principe=245/km², Uganda=249/km²
10. Suriname or Libya
Suriname=4/km², Libya=4.2/km²
11. Russia or Guyana?
Russia=9/km², Guyana=4/km²
12. Philippines or Seychelles?
Philippines=389/km², Seychelles=284/km²
13. Central African Republic or Saudi Arabia?
Central African Republic=9/km², Saudi Arabia=16/km²
14. Spain or Brunei?
Spain=96/km², Brunei=88/km²
15. East Timor or Indonesia?
East Timor=94/km², Indonesia=150/km²