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
2025-12-01: -0.02097975 Percent

Historical values in Percent: Summary Detail
      Date    Percent   Change (Value, %)    Growth
----------  ---------  -------------------  -------
  Dec 2025      -0.02  (   -0.28, #######)  100.00%
  Sep 2025       0.25  (   -0.03, -11.46%)  #######
  Aug 2025       0.29  (    0.14,  90.27%)  #######
  Jul 2025       0.15  (   -0.19, -55.72%)  #######
  Jun 2025       0.34  (    0.13,  63.24%)  #######
  May 2025       0.21  (   -0.10, -32.94%)  #######
  Apr 2025       0.31  (    0.09,  38.60%)  #######
  Mar 2025       0.22  (   -0.22, -49.41%)  #######
  Feb 2025       0.44  (   -0.21, -32.15%)  #######
  Jan 2025       0.65  (    0.62, #######)  #######
  Dec 2024       0.04  (    0.13, 135.74%)  #######
  Dec 2023      -0.10  (    0.21,  67.65%)  473.47%
  Dec 2022      -0.31  (   -0.61, #######)  #######
  Dec 2021       0.31  (    0.21, 226.35%)  #######
  Dec 2020       0.09  (    0.19, 203.49%)  #######
  Dec 2019      -0.09  (    0.23,  71.52%)  433.64%
  Dec 2018      -0.32  (   -0.26, #######)  #######
  Dec 2017      -0.06  (   -0.09, #######)  280.19%
  Dec 2016       0.03  (    0.37, 109.58%)  #######
  Dec 2015      -0.34  (    0.23,  39.73%)  #######
  Dec 2014      -0.57  (   -0.56, #######)  #######
  Dec 2013      -0.01  (    0.26,  96.81%)   40.90%
  Dec 2012      -0.27  (   -0.02,  -9.18%)  #######
  Dec 2011      -0.25  (   -0.42, #######)  #######
  Dec 2010       0.17  (    0.35, 197.57%)  #######
  Dec 2009      -0.18  (    0.86,  82.97%)  839.48%
  Dec 2008      -1.03  (   -0.97, #######)  #######
  Dec 2007      -0.07  (   -0.22, #######)  319.77%
  Dec 2006       0.15  (    0.55, 136.77%)  #######
  Dec 2005      -0.40  (   -0.04, -10.47%)  #######
  Dec 2004      -0.37  (   -0.26, #######)  #######
  Dec 2003      -0.11  (    0.11,  50.87%)  516.69%
  Dec 2002      -0.22  (    0.17,  44.09%)  #######
  Dec 2001      -0.39  (   -0.34, #######)  #######
  Dec 2000      -0.06  (   -0.06,        )  273.78%
  Dec 1999       0.00  (    0.06, 100.00%)    0.00%
  Dec 1998      -0.06  (    0.06,  50.76%)  290.64%
  Dec 1997      -0.12  (   -0.12,        )  590.28%
  Dec 1996       0.00  (    0.07, 100.00%)    0.00%
  Dec 1995      -0.07  (   -0.07,        )  310.32%
  Dec 1994       0.00  (    0.00,        )    0.00%
  Dec 1993       0.00  (    0.07, 100.00%)    0.00%
  Dec 1992      -0.07  (   -0.14, #######)  335.67%
  Dec 1991       0.07  (    0.07,        )  #######
  Dec 1990       0.00  (   -0.16, #######)    0.00%
  Dec 1989       0.16  (   -0.01,  -4.45%)  #######
  Dec 1988       0.17  (    0.17,        )  #######
  Dec 1987       0.00  (   -0.09, #######)    0.00%
  Dec 1986       0.09  (   -0.18, -67.09%)  #######
  Dec 1985       0.28  (    0.28,        )  #######
  Dec 1984       0.00  (   -0.10, #######)    0.00%
  Dec 1983       0.10  (    0.51, 124.21%)  #######
  Dec 1982      -0.41  (   -0.73, #######)  #######
  Dec 1981       0.32  (   -0.62, -65.78%)  #######
  Dec 1980       0.94  (   -0.12, -11.23%)  #######
  Dec 1979       1.05  (    0.61, 136.80%)  #######
  Dec 1978       0.45  (    0.12,  37.76%)  #######
  Dec 1977       0.32  (   -0.02,  -6.30%)  #######
  Dec 1976       0.34  (   -0.02,  -4.66%)  #######
  Dec 1975       0.36  (    0.36,        )  #######
  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