2013-present. The Statistical Abstract of the U.S. includes brief statistics on almost every topic. The focus is on the U.S. but some international statistics are included. This is a great source to start with to find which agency or organization has collected more in-depth statistics. Last print edition: Pius Level 1 Reference HA202 .A3 2012....more.
Search USA.gov searches .gov, .mil, .us and selected other domains that include official local, regional, state and federal government agencies. The government collects all kinds of statistics and most current ones end up online.
Central Intelligence Agency source for basic statistics, information and maps on all U.S. recognized countries and territories.
Statistics
Sources listed for statistics contain the "numbers" generally sought for frequently asked questions such as population, income levels, etc. You may find that you need statistics to strengthen an argument you're trying to make.