Value of $100 in 1918, adjusted to 1976

What happened to prices between 1918 and 1976

Between 1918 and 1976, the Consumer Price Index went from 15.1 to 56.9. Cumulatively, prices increased 276.8%, which works out to an average of 2.31% per year. Put differently, a dollar in 1918 bought what $0.27 buys in 1976.

1918 brought the steepest annual price increase the CPI had recorded: consumer prices rose 18.0% for the year, edging out 1917’s already sharp 17.4% as the economy stayed at full wartime mobilization for most of the year. A first-class stamp cost 3 cents, up from 2 cents the previous November under the War Revenue Act’s wartime tax increases. The war itself ended on November 11, when Germany signed an armistice with the Allied powers after more than four years of fighting in Europe, but the inflation built up over a year and a half of mobilization did not disappear along with the fighting. The bigger public health story that year was the influenza pandemic that reached the U.S. in a mild spring wave and then returned that fall in a far deadlier form, eventually killing roughly 675,000 Americans, more than the country’s combat losses in the war. It hit factories, docks, and shops alongside households, adding disruption to an economy already strained by wartime demand. Prices would keep climbing even after the armistice, into the postwar surge of 1919.

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The destination year: 1976

Consumer prices rose 5.8% in 1976, the calmest pace since 1972, as the economy pulled out of the 1973-75 recession and price growth settled to roughly half its 1974 peak. The recovery gave Americans room to celebrate: tall ships filled New York Harbor and fireworks lit cities nationwide on July 4 for the country’s bicentennial, a rare moment of shared celebration after Vietnam and Watergate. Politically, Jimmy Carter, a former Georgia governor running as a Washington outsider, defeated incumbent Gerald Ford that November, campaigning on restoring trust in government and bringing down inflation and unemployment together. In a California garage, Steve Jobs, Steve Wozniak, and Ronald Wayne founded Apple Computer that April to sell the Apple I, a bare circuit board aimed at electronics hobbyists, a business that looked far from consequential at the time. First-class postage, which had risen to 13 cents that past December 31, held there through the year, the longest stretch without a rate change since the Postal Service’s creation. A median household earned $12,686 in 1976, a new home sold for a median $44,200, and gas averaged 59 cents a gallon. Consumer prices stood 474.7% above their 1913 level, a calm interlude before inflation turned back up.

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