Value of $100 in 1940, adjusted to 1949

What happened to prices between 1940 and 1949

Between 1940 and 1949, the Consumer Price Index went from 14 to 23.8. Cumulatively, prices increased 70.0%, which works out to an average of 6.07% per year. Put differently, a dollar in 1940 bought what $0.59 buys in 1949.

Consumer prices rose 0.7% in 1940, snapping 1939’s decline and marking the first increase since 1937. The gain was modest, and the CPI still stood 18.1% below its 1929 peak, a reminder of how far the recovery from the Depression’s trough had left to go even as defense orders from Britain and France began reaching American factories. War was already reshaping domestic policy well before it touched American soil. Congress passed the Selective Training and Service Act that September, the country’s first peacetime draft, requiring men aged 21 to 35 to register and authorizing the induction of up to 900,000 men a year, more than a year before Pearl Harbor. That November, Franklin Roosevelt won an unprecedented third term, defeating Republican Wendell Willkie after campaigning on keeping the United States out of the war then consuming Europe and Asia. The promise would not hold much longer: within two years, wartime demand would push consumer prices up faster than at any point since the aftermath of World War I. First-class postage held at 3 cents, and the federal minimum wage stayed at 30 cents an hour, the level set the previous October under the Fair Labor Standards Act.

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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 →