The Great Lakes – Superior, Michigan, Huron, Erie, and Ontario – hold 20 trillion cubic meters of fresh water, approximately 18 percent of the planet’s fresh water supply. The overall basin is home to 35 million people, including 10 percent of the U.S. population and 25 percent of the Canadian population. Nearly 25 percent of agricultural production in Canada, and 7 percent of the agricultural production in the United States occurs in the basin. In addition, the Great Lakes provide drinking water for 40 million people and supply 210 million cubic meters of water per day for municipal, agricultural, and industrial use