The resources on these pages are organized into different categories based on the predominant types of statistics found in the resources. However, many resources provide substantive statistics relevant to more than one area and may be found in more than one category. Further, there is link to an information portal to assist researchers in managing and preserving research data, finding and acquiring external data, and in utilizing GIS techniques and software.
The predominant focus of most of the statistical resources on these pages is on the United States, although there is some international coverage. The outline below provides an overview of the content of these pages.