World's newest nation : South Sudan

" 99 per cent of southern Sudanese had voted for independence from the north of Sudan in the referendum. 
On 9th july 2011, Oil-rich South Sudan became the world's newest country, splitting away from Khartoum-ruled north after decades of brutal war that claimed two million lives. "

Capital                           Juba
Largest city                    Juba
Official language             English
Regional languages         Juba Arabic, Dinka, Nuer, Zande, Bari, Shilluk
First President               Salva Kiir Mayardit
First Vice-President       Riek Machar
Area                              619,745 km2 (45th rank)
Population                      8,260,490 (94th rank)
Currency                        Sudanese pound
Time zone                       East Africa Time (UTC+3)
Calling code                    249