Historical CPI · 1977

CPI-U in 1977

The U.S. Consumer Price Index for All Urban Consumers (CPI-U) averaged 60.6 in 1977 (1982–84 = 100), 6.5% above the 1976 average. From December 1976 to December 1977, prices rose 6.7%. Prices in August 2026 were 5.53 times their 1977 level.

Annual average
60.6
Inflation (annual avg)
+6.5%
Dec–Dec inflation
+6.7%
$100 in 1977 today
$552.77
Monthly data

Monthly CPI-U index values, 1977

The highest monthly index in 1977 was 62.1 (December), the lowest 58.5 (January). The 12-month inflation rate ranged from +5.2% in January to +7.0% in April. Historical context — The Great Inflation (1973–1982): Two oil shocks and loose monetary policy drove inflation into double digits until Paul Volcker's Fed broke it with record interest rates.

MonthCPI-U indexChange from prior month12-month change
January 197758.5+0.5%+5.2%
February 197759.1+1.0%+5.9%
March 197759.5+0.7%+6.4%
April 197760.0+0.8%+7.0%
May 197760.3+0.5%+6.7%
June 197760.7+0.7%+6.9%
July 197761.0+0.5%+6.8%
August 197761.2+0.3%+6.6%
September 197761.4+0.3%+6.6%
October 197761.6+0.3%+6.4%
November 197761.9+0.5%+6.7%
December 197762.1+0.3%+6.7%

CPI-U, U.S. city average, all items, not seasonally adjusted, 1982–84 = 100 (BLS series CUUR0000SA0). Before 2007 the BLS published the index to one decimal place. Annual average 60.6 as published by the BLS.

Decade

CPI by year, 1970s

YearAnnual average CPI-UInflation rate
197038.8+5.7%
197140.5+4.4%
197241.8+3.2%
197344.4+6.2%
197449.3+11.0%
197553.8+9.1%
197656.9+5.8%
197760.6+6.5%
197865.2+7.6%
197972.6+11.3%
FAQ

CPI 1977: common questions

What was the CPI in 1977?

The CPI-U annual average for 1977 was 60.6 on the 1982–84 = 100 base. Monthly values ranged from 58.5 to 62.1.

What was the inflation rate in 1977?

Measured by annual averages, consumer prices rose 6.5% in 1977; December to December the change was +6.7%.

How much is $100 from 1977 worth today?

About $552.77 in August 2026 prices, based on the change in CPI-U. Use the inflation calculator for other amounts.