Every month, the Bureau of Labor Statistics (BLS) releases data on total nonfarm employment in two forms: seasonally adjusted and not seasonally adjusted. • Seasonally adjusted (SA) employment data have had the effects of seasonal changes removed, such as the typical increase in hiring during the holiday season. This allows us to more clearly see the business cycle trends in employment. • Not seasonally adjusted (NSA) employment data are the raw employment levels at a given time. Our FRED graph above tracks the past two years of SA and NSA employment levels, showing how the number of workers rises and falls ... (full story)