The document summarizes statistics about the nonprofit sector in the United States, South Dakota, and Sioux Falls. It finds that the nonprofit sector makes up a significant portion of the economy but lacks comprehensive data collection. Nationally, 75% of nonprofits have under $1 million in revenue, and giving has remained around 2% of GDP and income. In South Dakota, there are over 9,000 nonprofits with $8 billion in income. In Sioux Falls, nonprofits make up 40% of major employers and volunteering rates are at their highest levels. The document also discusses trends in governance, accountability, and regulation of nonprofits.