CPI-U
Base year is chained;
1982-1984 = 100
| Year | Annual Average | Annual Percent Change (rate of inflation) |
|---|---|---|
|
1913
|
9.9
|
|
|
1914
|
10.0
|
1.3%
|
|
1915
|
10.1
|
0.9%
|
|
1916
|
10.9
|
7.7%
|
|
1917
|
12.8
|
17.8%
|
|
1918
|
15.0
|
17.3%
|
|
1919
|
17.3
|
15.2%
|
|
1920
|
20.0
|
15.6%
|
|
1921
|
17.9
|
-10.9%
|
|
1922
|
16.8
|
-6.2%
|
|
1923
|
17.1
|
1.8%
|
|
1924
|
17.1
|
0.4%
|
|
1925
|
17.5
|
2.4%
|
|
1926
|
17.7
|
0.9%
|
|
1927
|
17.4
|
-1.9%
|
|
1928
|
17.2
|
-1.2%
|
|
1929
|
17.2
|
0.0%
|
|
1930
|
16.7
|
-2.7%
|
|
1931
|
15.2
|
-8.9%
|
|
1932
|
13.6
|
-10.3%
|
|
1933
|
12.9
|
-5.2%
|
|
1934
|
13.4
|
3.5%
|
|
1935
|
13.7
|
2.6%
|
|
1936
|
13.9
|
1.0%
|
|
1937
|
14.4
|
3.7%
|
|
1938
|
14.1
|
-2.0%
|
|
1939
|
13.9
|
-1.3%
|
|
1940
|
14.0
|
0.7%
|
|
1941
|
14.7
|
5.1%
|
|
1942
|
16.3
|
10.9%
|
|
1943
|
17.3
|
6.0%
|
|
1944
|
17.6
|
1.6%
|
|
1945
|
18.0
|
2.3%
|
|
1946
|
19.5
|
8.5%
|
|
1947
|
22.3
|
14.4%
|
|
1948
|
24.0
|
7.7%
|
|
1949
|
23.8
|
-1.0%
|
|
1950
|
24.1
|
1.1%
|
|
1951
|
26.0
|
7.9%
|
|
1952
|
26.6
|
2.3%
|
|
1953
|
26.8
|
0.8%
|
|
1954
|
26.9
|
0.3%
|
|
1955
|
26.8
|
-0.3%
|
|
1956
|
27.2
|
1.5%
|
|
1957
|
28.1
|
3.3%
|
|
1958
|
28.9
|
2.7%
|
|
1959
|
29.2
|
1.08%
|
|
1960
|
29.6
|
1.5%
|
|
1961
|
29.9
|
1.1%
|
|
1962
|
30.3
|
1.2%
|
|
1963
|
30.6
|
1.2%
|
|
1964
|
31.0
|
1.3%
|
|
1965
|
31.5
|
1.6%
|
|
1966
|
32.5
|
3.0%
|
|
1967
|
33.4
|
2.8%
|
|
1968
|
34.8
|
4.3%
|
|
1969
|
36.7
|
5.5%
|
|
1970
|
38.8
|
5.8%
|
|
1971
|
40.5
|
4.3%
|
|
1972
|
41.8
|
3.3%
|
|
1973
|
44.4
|
6.2%
|
|
1974
|
49.3
|
11.1%
|
|
1975
|
53.8
|
9.1%
|
|
1976
|
56.9
|
5.7%
|
|
1977
|
60.6
|
6.5%
|
|
1978
|
65.2
|
7.6%
|
|
1979
|
72.6
|
11.3%
|
|
1980
|
82.4
|
13.5%
|
|
1981
|
90.9
|
10.3%
|
|
1982
|
96.5
|
6.1%
|
|
1983
|
99.6
|
3.2%
|
|
1984
|
103.9
|
4.3%
|
|
1985
|
107.6
|
3.5%
|
|
1986
|
109.6
|
1.9%
|
|
1987
|
113.6
|
3.7%
|
|
1988
|
118.3
|
4.1%
|
|
1989
|
124.0
|
4.8%
|
|
1990
|
130.7
|
5.4%
|
|
1991
|
136.2
|
4.2%
|
|
1992
|
140.3
|
3.0%
|
|
1993
|
144.5
|
3.0%
|
|
1994
|
148.2
|
2.6%
|
|
1995
|
152.4
|
2.8%
|
|
1996
|
156.9
|
2.9%
|
|
1997
|
160.5
|
2.3%
|
|
1998
|
163.0
|
1.6%
|
|
1999
|
166.6
|
2.2%
|
|
2000
|
172.2
|
3.4%
|
|
2001
|
177.1
|
2.8%
|
|
2002
|
179.9
|
1.6%
|
|
2003
|
184.0
|
2.3%
|
|
2004
|
188.9
|
2.7%
|
|
2005
|
195.3
|
3.4%
|
|
2006
|
201.6
|
3.2%
|
|
2007
|
207.3
|
2.9%
|
|
2008
|
215.3
|
3.8%
|
|
2009
|
214.5
|
-0.4%
|
|
2010
|
218.1
|
1.6%
|
|
2011
|
224.9
|
3.2%
|
|
2012
|
229.6
|
2.1%
|
|
2013
|
233.0
|
1.5%
|
|
2014
|
236.7
|
1.6%
|
|
2015
|
237.0
|
0.1%
|
|
2016
|
240.0
|
1.3%
|
|
2017
|
245.1
|
2.1%
|
|
2018
|
251.1
|
2.4%
|
|
2019
|
255.7
|
1.8%
|
|
2020
|
258.8
|
1.2%
|
|
2021*
|
271.4
|
4.8%
|
*An estimate for 2021 is based on the change in the CPI from second quarter 2020 to second quarter 2021.