Value of $100 in 1915, adjusted to 1945

What happened to prices between 1915 and 1945

Between 1915 and 1945, the Consumer Price Index went from 10.1 to 18. Cumulatively, prices increased 78.2%, which works out to an average of 1.94% per year. Put differently, a dollar in 1915 bought what $0.56 buys in 1945.

Consumer prices rose 1.0% in 1915, the second straight year of near-flat inflation before the wartime price surges of 1916 through 1918. The year’s defining event had nothing to do with prices directly: a German submarine sank the British liner Lusitania off the Irish coast on May 7, killing 128 Americans and hardening U.S. opinion against Germany two years before the country entered the war. Economically, 1915 was a turning point of a different kind. A recession that had dragged on since 1913 began lifting as Britain and France placed growing orders for steel, munitions, and other war materiel with American manufacturers, and U.S. exports to the Allied powers climbed sharply through the year. That demand would keep building through 1916, eventually pulling prices up with it. On the regulatory side, the Federal Trade Commission opened for business in March, taking on enforcement of the Clayton Antitrust Act that Congress had passed the previous fall. A first-class stamp still cost 2 cents, unchanged since 1885 and still two years from its first wartime increase.

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The destination year: 1945

Consumer prices rose 2.3% in 1945, up from 1944’s 1.7% but still modest, a rate that understated how much pressure had built up behind wartime price and wage controls, which stayed largely in place even as the conflict that justified them came to a close. The year opened with a shock at home: Franklin Roosevelt died of a cerebral hemorrhage on April 12, less than three months into an unprecedented fourth term, and Vice President Harry Truman was sworn in that same afternoon. The war Roosevelt had led for nearly four years ended without him. Germany surrendered on May 8, and Japan surrendered on August 15, after atomic bombs fell on Hiroshima and Nagasaki that month, with the formal signing aboard the USS Missouri on September 2. Domestic policy kept moving even as the guns fell silent: the federal minimum wage rose to 40 cents an hour that October 24, the final step of the schedule Congress had built into the 1938 Fair Labor Standards Act, up from 30 cents in 1939 and 25 cents at the law’s start. Consumer prices stood 81.8% above their 1913 level, a gain that would look modest next to what followed once wartime controls actually came off. First-class postage held at 3 cents.

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