Xi announced on Saturday that China will provide $2 billion to support South-South cooperation, and called for an equitable development path for all countries.
First Lady and UNESCO's Special Envoy for Girls' and Women's Education Peng Liyuan delivered a speech at the Global Education First Initiative event at the United Nations in New York.
The projects, declared at a South-South cooperation roundtable President Xi hosted, covers poverty reduction, agriculture, trade, environment, health and education.
President Xi Jinping's first official state visit to the US has been applauded as a success, despite skepticism expressed by some before the trip.
China and the United States need to seize the opportunity to show the world that both countries are willing and able to cooperate and make common progress.
First Lady Peng Liyuan, UNESCO's Special Envoy for the Advancement of Girls' and Women's Education, delivers a speech in English at the Global Education First Initiative event at the United Nations in New York on Sept 26, 2015.
Chinese President Xi Jinping met with UN Secretary-General Ban Ki-moon on Saturday during his first visit to the world body's headquarters in New York, and said China will uphold the purposes and principles of the UN Charter and deepen China's relationship with the UN.
China is "a leader" in advancing South-South cooperation, UN chief Ban Ki-moon said on Saturday.