Brookings is a nonprofit public policy organization whose goal is to conduct independent research and analysis and to promote democracy, and economic and social security and health, nationally and internationally.

Progressive-leaning think tank covering issues such as immigration; foreign policy and security; the economy; energy and the environment; and many others

A progressive think tank dedicated to building a more equitable, ecologically sustainable, and peaceful society. Focuses on economic and racial justice; climate justice; peace and foreign policy; and community engagment.

Bipartisan, nonprofit policy research organization dedicated to providing strategic insights and policy solutions on topics including cybersecurity and technology; defense and security; economics; energy and sustainability; global health; human rights; and international development

Independent, nonpartisan think tank that examines the most significant foreign policy issues facing the United States and the world today

Bipartisan, nonprofit policy research organization dedicated to providing strategic insights and policy solutions on topics including cybersecurity and technology; defense and security; economics; energy and sustainability; global health; human rights; and international development.

A global network of policy research centers in Russia, China, Europe, the Middle East, India, and the United States. The mission is to advance peace through analysis and development of fresh policy ideas.

Independent think tank working to reduce global poverty and inequality. Topics include climate and energy; migration; trade; finance and investment; and several others

Non-partisan research areas in public policy and political communication, children and media, health and media, and much more.

The Pew Research Center is a nonpartisan "fact tank" that provides reports and statistics on the issues, attitudes and social trends shaping America and the world.

Conservative-leaning think tank that promote conservative public policies based on the principles of free enterprise, limited government, individual freedom, traditional American values, and a strong national defense.

A conservative-leaning institute dedicated to bringing the insights of scholarship to bear on the foreign policy and national security challenges facing the United States based on a geopolitical perspective that illuminates contemporary international affairs through the lens of history, geography, and culture.

A Libertarian think tank — dedicated to the principles of individual liberty, limited government, free markets and peace. Topics include trade policy; foreign policy; energy and the environment; international economics, development and immigration; finance; and civil liberties among others