Political Science Data, Methods, and Replication Resources

Understanding Society is the largest longitudinal household panel study of its kind and provides vital evidence on life changes and stability. See data and documentation..

From the International Institute for Democracy and Electoral Assistance (IDEA).

Contains consistent time series on the military spending of countries, updated annually..

Established in 1999 at the University of California, Santa Barbara, archives contain 103,280 documents related to the study of the Presidency..

Produces evidence to improve how sustainable development investments are targeted, monitored, and evaluated. See datasets..