The Consumer Price Index for the United States in 2011 was 76.19; the U.S. ranked 29th out of 83 countries in the world in the Cost of Living Index. This means that what $100 buys in 2015 cost $76.19 in 2011.
The Consumer Price Index measures changes to the costs of goods and services that consumers normally buy such as milk, gas and movie tickets. The United States was ranked 67th in the Rent Index and 60th on the Groceries Index.
The three cities with the highest cost of living in 2011 were Honolulu, Hawaii; Fairbanks, Alaska and San Francisco, California. The three cheapest were San Antonio, Texas; Tucson, Arizona and Reno, Nevada.