According to the World Bank, the Gross National Income (GNI) for South Sudan was 11.67B (US$) in 2016. A difference of -1.49B (US$) (11% decrease) compared to 2015.

The World Bank defines GNI as "the sum of value added by all resident producers plus any product taxes (less subsidies) not included in the valuation of output plus net receipts of primary income (compensation of employees and property income) from abroad".

The chart and table below shows the GNI for 2012-2016.

You can see similar information for other African countries.