The Bureau of Labor Statistics (BLS) is a government agency that collects and disseminates data on the US economy and labour market. It publishes the Producer Price Index (PPI) and the Consumer Price Index (CPI), both of which are important measures of inflation. The BLS also publishes monthly data on employment and unemployment, as well as quarterly data on wages and salaries, hours worked, and productivity.The BLS is an important source of information for economists, policymakers, business owners, workers, journalists, students, and others interested in economic trends in the United States. The agency’s website offers a wealth of information including data tables, charts ,and explanatory articles . The website also includes an archive dating back to 1884 .The BLS was established by Congress in 1884 as the first national statistical agency in the United States. Today it employs about 2200 people across its headquarters in Washington DC, regional offices around the country ,and survey field stations. The Bureau of Labor Statistics is the largest source of economic statistics in the United States. The Office of Inspector General is the only agency within the US Department of Labor that is not affiliated with any other agency.