Statistics can help provide concrete examples of a larger trend, give the basis for an important chart or graph, or make theoretical arguments tangible.
There are two main branches of statistics:
Be aware of bias in statistics! Numbers can be manipulated, and charts and graphs can be arranged to give a certain impression. Always double-check your facts!
If you're looking for data about the US government, these are the best places to start. Besides these resources, feel free to check out our Libguide on Finding Statistics in Government Resources or contact our Government Information Librarian for additional assistance.