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2. Has higher population
Serbia has almost 3 million more people than Croatia
3. Is a member of NATO
Croatia joined NATO in the year 2009
4. Has been independent in the year 1900
5. Is a member of the European Union
Croatia joined EU in the year 2013
7. Was formerly part of Yugoslavia
8. Has higher GDP per capita
Croatia has almost 2 times higher GDP per capita than Serbia
10. Dubrovnik is located in
11. Novak Djoković was born in
12. Its capital is also its most populous city
13. Is in the northern hemisphere
15. Is considered to be a Slavic country
17. Has a goat and a crescent on its flag
18. Uses Cyrillic alphabet as an official script
19. Has the Ballon d'Or winner
Luka Modrić won the Ballon d'Or in the year 2018
20. Took part in at least one war during 20th century