ALFRED® stands for Archival Federal Reserve Economic Data. ALFRED® archives FRED® data by adding the real-time period when values were originally released and later revised. For instance on February 2, 1990, the US Bureau of Labor Statistics reported the US unemployment rate for the month of January, 1990 as 5.3 percent. Over 6 years later on March 8, 1996, the US unemployment rate for the same month January, 1990 was revised to 5.4 percent.