Of 322 leading policy organizations in the United States regularly examined by Charity Navigator, the premier evaluator of public charities, The Independent Institute ranks in the top 4% with a highest 4-Star Rating, above virtually all other think tanks. The rating is based on a weighted assessment of organizational efficiency (fundraising efficiency, fundraising expenses, program expenses, and administration expenses) and capacity (average annual growth of primary revenue, average annual growth of program expenses, and working capital ratio). Furthermore, of all organizations rated, the Institute is almost alone in having a written privacy policy. Here is a comparative sampling of organizations listed by ranking

Here is a comparative sampling of public policy and advocacy organizations as of February 21, 2008.