The World Bank offers a large data repository of economic indicators, statistics, and other useful tools for mapmakers working in international development. Users can search for data by country or by topic (Aid Effectiveness, Health, Poverty, etc.). In addition to viewing or downloading data, the site presents a nifty visualization tool displaying data on a world map.
Every ten years, the United States embarks on a census to count every person in the country. The 2010 census date of counting is only a couple of weeks away (April 1st, 2010) so there has been a lot of census talk in the media recently.
ARC Resarch Network Spatially Integrated Social Science (ARCRNSISS) is a coalition of academic and other institutions promoting spatial integration in the social sciences. It is the Australian counterpart to CSISS in the United States.
CRIMESTAT is a program that interaces with ArcGIS and other desktop programs. The program itself conducts geostatistical analysis using crime and incident locations and times. The program is used widely across the nation for spatial analysis.
"Datamob highlights the connection between public data sources and the interfaces people are building for them. Our listings emphasize the connection between data posted by governments and public institutions and the interfaces people are building to explore that data."
There is a wide selection of innovative maps, datasets, and data visualization interfaces drawing on a variety of topics. You can spend quite some time going through the offerings here!