How many people can the American continent bear in the end?

America is located in the western hemisphere and is divided into North America, Central America and South America in physical geography. It covers an area of 42.068 million square kilometers, accounting for 8.3% of the earth's surface area and 28.4% of the land area. There are about 950 million residents in the United States, accounting for 65438 of the total human population. It is the only continent in the western hemisphere.