Value of $100 in 1935, adjusted to 1970

What happened to prices between 1935 and 1970

Between 1935 and 1970, the Consumer Price Index went from 13.7 to 38.8. Cumulatively, prices increased 183.2%, which works out to an average of 3.02% per year. Put differently, a dollar in 1935 bought what $0.35 buys in 1970.

Consumer prices rose 2.2% in 1935, a second straight annual increase after 1934’s turnaround, though the CPI still sat well below its 1929 peak and the recovery remained uneven and incomplete. The year’s biggest legislative achievements aimed at making that unevenness less punishing. Roosevelt signed the Social Security Act on August 14, creating federal old-age pensions and unemployment insurance funded by a new payroll tax, the first federal safety net of its kind in U.S. history. That spring, the Works Progress Administration had already begun putting millions of unemployed Americans to work on public construction, arts, and infrastructure projects, becoming the largest jobs program of the New Deal. Congress added labor protections to the mix that July with the National Labor Relations Act, guaranteeing most private-sector workers the right to organize and bargain collectively. The human cost of the Dust Bowl was still mounting on the Plains: the storm known as Black Sunday hit on April 14, one of the worst of the decade, and continued drought kept driving farm families off land that could no longer support them. Consumer prices ended the year 38.4% above their 1913 level. First-class postage held at 3 cents.

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The destination year: 1970

Consumer prices rose 5.7% in 1970, up from 1969’s 5.5%, extending a run of faster price growth that stretched back to the mid-1960s, even as a recession that began in December 1969 pushed unemployment toward 6%. Prices and joblessness rising together confounded the era’s economic thinking, which held that policymakers could trade a little more inflation for a little less unemployment; 1970 was an early sign that trade-off was breaking down, a pattern that would harden into stagflation later in the decade. Washington restructured how it delivered mail that year: after postal workers staged the first strike ever by federal employees that March, Congress passed the Postal Reorganization Act in August, replacing the cabinet-level Post Office Department with the independent U.S. Postal Service. Environmental policy also took shape in 1970. An estimated 20 million Americans marked the first Earth Day on April 22, and the Environmental Protection Agency opened that December to enforce the Clean Air Act and the pollution rules that followed. The Vietnam War kept dividing the country: on May 4, National Guard troops fired on antiwar demonstrators at Kent State University in Ohio, killing four students and setting off strikes on hundreds of campuses. A median household earned $8,734 that year, a gallon of gas averaged 36 cents, and a first-class stamp cost 6 cents, the rate it had held since 1968. Prices stood 291.9% above their 1913 level by the end of 1970, a milestone that would look almost mild against the decade still to come.

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