Adherents.com is a growing collection of over 43,870 adherent statistics and religious geography citations: references to published membership/adherent statistics and congregation statistics for over 4,200 religions, churches, denominations, religious bodies, faith groups, tribes, cultures, movements, ultimate concerns, etc. The religions of the world are enumerated here.
CensusScope is an easy-to-use tool for investigating U.S. demographic trends, brought to you by the Social Science Data Analysis Network (SSDAN) at the University of Michigan. With eye-catching graphics and exportable trend data, CensusScope is designed for both generalists and specialists.
The main component is population statistics: historical, projections, cities, agglomerations, etc. But also geopolitical data like the administrative divisions of countries (provinces, counties and such) of all nations of this world. In addition to these, some economical statistics and an up-to-date list of all known national statistical agencies.