In 2007, there were more than 1.64 million nonprofit organizations in the United States. ¹ The nonprofit sector has expanded in terms of number of organizations and number of paid employees. In 1994, there were more than 1.1 million nonprofit organizations in the United States, ² employing about 5.4 million people, or 4.4 percent of all workers. By 2007, nonprofits employed 8.7 million workers, or 5.9 percent of all workers. ³