Globally 20 Million People Are at Risk

FP describes it as the greatest humanitarian disaster since WWII. This one was brought on by famine caused by drought.

UN General Secretary has asked for $4.4 billion to avert disaster, but so far a small fraction of that has been raised. The US should be taking a leadership role here, but so far I have been unable to find any statistics on US emergency assistance to Somalia or Africa in general. 

Starvation Stalks the Horn of Africa

http://features.foreignpolicy.com/04-06-2017-starvation-stalks-the-horn-of-africa-drought-famine-somalia/