What was the consumer price index for 2009?

The Consumer Price Index (CPI) for 2009 averaged approximately 214.537 (1982-1984=100) in the United States. This represented a decrease from the previous year, reflecting the economic impacts of the Great Recession. The annual inflation rate for 2009 was about -0.36%, indicating a slight deflation during that period. For specific monthly figures, the Bureau of Labor Statistics provides detailed CPI data.