Each year, a group of librarians publishes a list of the best free websites. There are several that showcase statistics and information about the government.
The American Time Use Survey shows how much time we spend on various activities. It has many charts and graphs, including how students spend their time and how Americans divvy up their leisure time.
FedSpending.org collects data from the U.S. government and makes it easy to search and understand. Information is grouped by 3 general categories: contracts, assistance, and recovery.
U.S. Economy at a Glance tracks key economic indicators across time.
UNdata has statistics on many topics from over 30 UN databases. You can search for information or browse by topic (such as crime, health, or population) or by country.