Here are the changes in the seasonally adjusted CPI each of the last six months:
Mar -0.0500%
April 0.2209%
May 0.0810%
June 0.2870%
July 0.1966%
Aug 0.3825%
The last decline before March 2025 was June 2024 when it was down 0.0029%.
That site shows a graph but if you click on the Download button you will get the actual numbers in Microsoft Excel.
The
Consumer Price Index for All Urban Consumers: All Items in U.S. City
Average (CPIAUCSL) was 323.364 in Aug. and 322.132 in July.
Since 323.364/322.132 = 1.003825, that
means it was up 0.3825%. If we
had
that every month for 12 months it would be up 4.69%.
It was 314.131 in Aug. 2024. Since 323.364/314.131 = 1.0294, that means it was up 2.94% over the last 12 months.
The
non-seasonally adjusted CPI was 323.976 in Aug. and 314.796 in Aug.
2024. That was up 2.92%. So pretty close to the seasonally
adjusted CPI. This is still above the Fed’s target of 2.0% (although
they prefer to use the Personal Consumption Expenditures Price Index
which was 2.6% higher in July 2025 than July 2024).
“The consumer price index posted a seasonally adjusted 0.4% increase
for the month, the biggest gain since January, putting the annual
inflation rate at 2.9%, up 0.2 percentage point from the prior month and
the highest reading since January. Economists surveyed by Dow Jones had
been looking for respective readings of 0.3% and 2.9%.
For
the vital core reading that excludes food and energy, the August gain
was 0.3%, putting the 12-month figure at 3.1%, both as forecast.”
The article also discusses what types of products are going up in price and what is going down. There is a graph of the monthly year-over-year percent change in prices and core prices going back almost 4 years.
and is not seasonally adjusted. It is also the December to December
change in the CPI. That site also looks at how the 12 month average for
the CPI changed from one year to the next.
|
Year |
CPI %Ch. |
|
Year |
CPI %Ch. |
|
Year |
CPI %Ch. |
|
Year |
CPI %Ch. |
|
1914 |
1 |
|
1944 |
2.3 |
|
1974 |
12.3 |
|
2004 |
3.3 |
|
1915 |
2 |
|
1945 |
2.2 |
|
1975 |
6.9 |
|
2005 |
3.4 |
|
1916 |
12.6 |
|
1946 |
18.1 |
|
1976 |
4.9 |
|
2006 |
2.5 |
|
1917 |
18.1 |
|
1947 |
8.8 |
|
1977 |
6.7 |
|
2007 |
4.1 |
|
1918 |
20.4 |
|
1948 |
3 |
|
1978 |
9 |
|
2008 |
0.1 |
|
1919 |
14.5 |
|
1949 |
-2.1 |
|
1979 |
13.3 |
|
2009 |
2.7 |
|
1920 |
2.6 |
|
1950 |
5.9 |
|
1980 |
12.5 |
|
2010 |
1.5 |
|
1921 |
-10.8 |
|
1951 |
6 |
|
1981 |
8.9 |
|
2011 |
3 |
|
1922 |
-2.3 |
|
1952 |
0.8 |
|
1982 |
3.8 |
|
2012 |
1.7 |
|
1923 |
2.4 |
|
1953 |
0.7 |
|
1983 |
3.8 |
|
2013 |
1.5 |
|
1924 |
0 |
|
1954 |
-0.7 |
|
1984 |
3.9 |
|
2014 |
0.8 |
|
1925 |
3.5 |
|
1955 |
0.4 |
|
1985 |
3.8 |
|
2015 |
0.7 |
|
1926 |
-1.1 |
|
1956 |
3 |
|
1986 |
1.1 |
|
2016 |
2.1 |
|
1927 |
-2.3 |
|
1957 |
2.9 |
|
1987 |
4.4 |
|
2017 |
2.1 |
|
1928 |
-1.2 |
|
1958 |
1.8 |
|
1988 |
4.4 |
|
2018 |
1.9 |
|
1929 |
0.6 |
|
1959 |
1.7 |
|
1989 |
4.6 |
|
2019 |
2.3 |
|
1930 |
-6.4 |
|
1960 |
1.4 |
|
1990 |
6.1 |
|
2020 |
1.4 |
|
1931 |
-9.3 |
|
1961 |
0.7 |
|
1991 |
3.1 |
|
2021 |
7 |
|
1932 |
-10.3 |
|
1962 |
1.3 |
|
1992 |
2.9 |
|
2022 |
6.5 |
|
1933 |
0.8 |
|
1963 |
1.6 |
|
1993 |
2.7 |
|
2023 |
3.4 |
|
1934 |
1.5 |
|
1964 |
1 |
|
1994 |
2.7 |
|
2024 |
2.9 |
|
1935 |
3 |
|
1965 |
1.9 |
|
1995 |
2.5 |
|
|
|
|
1936 |
1.4 |
|
1966 |
3.5 |
|
1996 |
3.3 |
|
|
|
|
1937 |
2.9 |
|
1967 |
3 |
|
1997 |
1.7 |
|
|
|
|
1938 |
-2.8 |
|
1968 |
4.7 |
|
1998 |
1.6 |
|
|
|
|
1939 |
0 |
|
1969 |
6.2 |
|
1999 |
2.7 |
|
|
|
|
1940 |
0.7 |
|
1970 |
5.6 |
|
2000 |
3.4 |
|
|
|
|
1941 |
9.9 |
|
1971 |
3.3 |
|
2001 |
1.6 |
|
|
|
|
1942 |
9 |
|
1972 |
3.4 |
|
2002 |
2.4 |
|
|
|
|
1943 |
3 |
|
1973 |
8.7 |
|
2003 |
1.9 |
|
|
|
Here is a timeline graph of this data:
