Youngest countries in the world

 World's newest countries are formed through referendum, international agreement and dissolution of former nations..

Newest countries are - - -

1.  South Sudan   - -  Got independence from Sudan

2.  Montenegro  - - -  Got independence from Serbia

3.  Palau

4.  Czech Republic and Slovakia  - - -  Dissolution of Czechoslovakia

5.  Eritrea   - - -  Got independence from Ethiopia