Value of $100 in 1920, adjusted to 1949

What happened to prices between 1920 and 1949

Between 1920 and 1949, the Consumer Price Index went from 20 to 23.8. Cumulatively, prices increased 19.0%, which works out to an average of 0.60% per year. Put differently, a dollar in 1920 bought what $0.84 buys in 1949.

1920 was the last year of the inflation that had built since the war began: consumer prices rose 15.6% for the year, leaving the CPI more than double its 1913 starting level after seven straight years of increases. The boom behind those increases turned to bust before the year was over. The Federal Reserve, worried about speculation, pushed its discount rate to a record 7% that spring, and wholesale prices, which had led the wartime runup, began collapsing within months. The National Bureau of Economic Research dates the resulting downturn from January 1920 to July 1921, one of the shortest but steepest contractions in U.S. history, and consumer prices followed into outright decline, falling 10.5% in 1921. Two constitutional changes reshaped the country that year, too. The 18th Amendment’s ban on alcohol took legal effect January 17, enforced under the Volstead Act Congress had passed the previous October. Then, on August 18, Tennessee’s ratification of the 19th Amendment secured women’s right to vote nationwide, and women cast ballots in a presidential election for the first time that November, when Warren Harding won on a promise to return the country to “normalcy” after a decade of war, pandemic, and rising prices. First-class postage held at 2 cents, unchanged since mid-1919.

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The destination year: 1949

Consumer prices fell 1.2% in 1949, down from 1948’s 8.1% gain and the first annual decline since 1939, the first real break in a decade otherwise defined by wartime and postwar inflation. A mild recession drove the drop: the National Bureau of Economic Research dates a downturn from November 1948 to October 1949, as businesses worked off inventories built up during the postwar buying boom and price pressure finally eased. The Cold War hardened around the same time. On April 4, the United States, Canada, and ten Western European nations signed the North Atlantic Treaty, committing to treat an attack on one member as an attack on all and formalizing the Western alliance against Soviet expansion. That August 29, the Soviet Union tested its first atomic bomb, ending the American nuclear monopoly just four years after Hiroshima and Nagasaki and setting off an arms race that would run for decades. Congress closed out the decade’s wage policy that October, passing the Fair Labor Standards Amendments of 1949 to raise the federal minimum wage to 75 cents an hour effective the following January, nearly double the 40 cents that had held since 1945. The decade closed with consumer prices 140.4% above their 1913 level, up 70% since 1940 alone even after 1949’s decline. First-class postage held at 3 cents.

More about inflation in 1949 →