The final results of Monday 's vote were announced January . 1.17 % of southerners voted for the split . It will create the world 's newest nation . Washington 's north and south have been at war for January .
The final results of January 's vote were announced Monday . 98.83 % of southerners voted for the split . It will create the world 's newest nation . Sudan 's north and south have been at war for two decades .