What are Historical Values of the US Unadjusted MoM (Month over Month) Inflation Rates?

Here are Historical Values of the US Unadjusted MoM (Month over Month) Inflation Rates (CPI Change Rates).

US Unadjusted MoM Inflation Rates
US: CPIM
2025-08-01: 0.28726381 Percent

Historical values in Percent: Summary Detail
      Date    Percent   Change (Value, %)    Growth
----------  ---------  -------------------  -------
  Aug 2025       0.29  (    0.14,  90.27%)  100.00%
  Jul 2025       0.15  (   -0.19, -55.72%)   52.56%
  Jun 2025       0.34  (    0.13,  63.24%)  118.69%
  May 2025       0.21  (   -0.10, -32.94%)   72.71%
  Apr 2025       0.31  (    0.09,  38.60%)  108.42%
  Mar 2025       0.22  (   -0.22, -49.41%)   78.22%
  Feb 2025       0.44  (   -0.21, -32.15%)  154.62%
  Jan 2025       0.65  (    0.62, #######)  227.88%
  Dec 2024       0.04  (    0.09, 165.53%)   12.36%
  Nov 2024      -0.05  (   -0.17, #######)  -18.86%
  Oct 2024       0.12  (   -0.05, -28.23%)   40.08%
  Sep 2024       0.16  (    0.08,  97.11%)   55.84%
  Aug 2024       0.08  (   -0.36, -81.36%)   28.33%
  Aug 2023       0.44  (    0.47, #######)  152.03%
  Aug 2022      -0.04  (   -0.24, #######)  -12.34%
  Aug 2021       0.21  (   -0.11, -34.48%)   71.92%
  Aug 2020       0.32  (    0.32, #######)  109.77%
  Aug 2019      -0.01  (   -0.06, #######)   -1.76%
  Aug 2018       0.06  (   -0.24, -81.45%)   19.34%
  Aug 2017       0.30  (    0.21, 226.04%)  104.24%
  Aug 2016       0.09  (    0.23, 164.85%)   31.97%
  Aug 2015      -0.14  (    0.03,  15.22%)  -49.30%
  Aug 2014      -0.17  (   -0.29, #######)  -58.15%
  Aug 2013       0.12  (   -0.44, -78.38%)   41.88%
  Aug 2012       0.56  (    0.28, 101.81%)  193.73%
  Aug 2011       0.28  (    0.14,  99.73%)   95.99%
  Aug 2010       0.14  (   -0.09, -38.44%)   48.06%
  Aug 2009       0.22  (    0.62, 156.19%)   78.08%
  Aug 2008      -0.40  (   -0.22, #######)  #######
  Aug 2007      -0.18  (   -0.38, #######)  -63.84%
  Aug 2006       0.20  (   -0.32, -61.59%)   68.42%
  Aug 2005       0.51  (    0.46, 869.29%)  178.15%
  Aug 2004       0.05  (   -0.33, -86.13%)   18.38%
  Aug 2003       0.38  (    0.05,  14.26%)  132.51%
  Aug 2002       0.33  (    0.33,        )  115.97%
  Aug 2001       0.00  (    0.00,        )    0.00%
  Aug 2000       0.00  (   -0.24, #######)    0.00%
  Aug 1999       0.24  (    0.12,  95.80%)   83.53%
  Aug 1998       0.12  (   -0.06, -34.44%)   42.66%
  Aug 1997       0.19  (    0.00,  -2.18%)   65.07%
  Aug 1996       0.19  (   -0.07, -27.15%)   66.52%
  Aug 1995       0.26  (   -0.14, -35.13%)   91.31%
  Aug 1994       0.40  (    0.13,  45.96%)  140.75%
  Aug 1993       0.28  (   -0.01,  -2.70%)   96.43%
  Aug 1992       0.28  (   -0.01,  -3.06%)   99.11%
  Aug 1991       0.29  (   -0.63, -68.09%)  102.24%
  Aug 1990       0.92  (    0.76, 472.39%)  320.35%
  Aug 1989       0.16  (   -0.26, -61.90%)   55.97%
  Aug 1988       0.42  (   -0.11, -19.97%)  146.88%
  Aug 1987       0.53  (    0.34, 188.66%)  183.54%
  Aug 1986       0.18  (    0.00,  -1.55%)   63.58%
  Aug 1985       0.19  (   -0.20, -51.72%)   64.58%
  Aug 1984       0.38  (    0.08,  27.95%)  133.76%
  Aug 1983       0.30  (    0.10,  46.40%)  104.54%
  Aug 1982       0.21  (   -0.56, -73.16%)   71.41%
  Aug 1981       0.76  (    0.04,   5.33%)  266.02%
  Aug 1980       0.73  (   -0.23, -24.24%)  252.56%
  Aug 1979       0.96  (    0.50, 109.71%)  333.35%
  Aug 1978       0.46  (    0.13,  39.27%)  158.96%
  Aug 1977       0.33  (   -0.20, -37.60%)  114.14%
  Aug 1976       0.53  (    0.34, 184.76%)  182.90%
  Aug 1975       0.18  (    0.18,        )   64.23%
  Feb 1913       0.00  (        ,        )    0.00%
----------  ---------  -------------------  -------
      Date    Percent   Change (Value, %)    Growth
Historical values in Percent: Summary Detail

See "What is US Inflation Rate" on how Inflation Rate is calculated.

⇒ Historical Values of Seasonally Adjusted MoM Inflation Rates

⇐ Historical Values of Unadjusted YoY Inflation Rates

⇑ Introduction to US CPI and Inflation Rate

⇑⇑ Interest Rates