Keep scrolling down for answers and more stats ...
1.
Country where Mesopotamia is
2.
Does not border the Northern Sea
4.
Where Oymyakon is located
5.
Highest population density
Vatican City (Holy See)
✓
6.
Not part of Yugoslavia
7.
Most southern country In Oceania
8.
Country "Shakira" was born in
9.
Least populated African country
10.
Largest olive producer
13.
Country where the national anthem is "Kimigayo"
14.
Where Xhosa is mostly spoken
15.
Does NOT use the Imperial System