On Africa News Tonight: The United Nations reports that five African nations will be part of eight nations that will formulate over half of the global population by 2050 and add, Nigeria’s population is expected to hit 400 million people to become the world’s third most populous nation. World Food Program and other aid groups call for urgent support for refugees in Chad and add, over $161 million dollars are needed by the end of the year to avoid the suspension of food aid and assistance to crisis affected communities.