This is the US independent regulatory agency created to administer and enforce the statute that governs the financing of federal elections.

Nonpartisan, independent and nonprofit, the Center for Responsive Politics is the nation's premier research group tracking money in U.S. politics and its effect on elections and public policy.

An excellent global database on elections and democracy, that provides both quantitative and qualitative information about the state of democracy in any given country.

SIPRI is an independent international institute dedicated to research into conflict, armaments, arms control and disarmament. Established in 1966, SIPRI provides data, analysis and recommendations, based on open sources.