2013-present. When looking for statistics, this is the place to begin. Brief statistics are included on almost every topic with a U.S. focus, along with some international statistics. Tables provide original source.
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.