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
2025-09-01: 0.25433983 Percent

Historical values in Percent: Summary Detail
      Date    Percent   Change (Value, %)    Growth
----------  ---------  -------------------  -------
  Sep 2025       0.25  (   -0.03, -11.46%)  100.00%
  Aug 2025       0.29  (    0.14,  90.27%)  112.94%
  Jul 2025       0.15  (   -0.19, -55.72%)   59.36%
  Jun 2025       0.34  (    0.13,  63.24%)  134.05%
  May 2025       0.21  (   -0.10, -32.94%)   82.12%
  Apr 2025       0.31  (    0.09,  38.60%)  122.45%
  Mar 2025       0.22  (   -0.22, -49.41%)   88.35%
  Feb 2025       0.44  (   -0.21, -32.15%)  174.64%
  Jan 2025       0.65  (    0.62, #######)  257.38%
  Dec 2024       0.04  (    0.09, 165.53%)   13.96%
  Nov 2024      -0.05  (   -0.17, #######)  -21.30%
  Oct 2024       0.12  (   -0.05, -28.23%)   45.27%
  Sep 2024       0.16  (   -0.09, -35.45%)   63.07%
  Sep 2023       0.25  (    0.03,  15.55%)   97.71%
  Sep 2022       0.22  (   -0.06, -20.81%)   84.56%
  Sep 2021       0.27  (    0.13,  95.01%)  106.79%
  Sep 2020       0.14  (    0.06,  77.77%)   54.76%
  Sep 2019       0.08  (   -0.04, -32.58%)   30.80%
  Sep 2018       0.12  (   -0.41, -78.05%)   45.69%
  Sep 2017       0.53  (    0.29, 120.25%)  208.18%
  Sep 2016       0.24  (    0.40, 254.42%)   94.52%
  Sep 2015      -0.16  (   -0.23, #######)  -61.21%
  Sep 2014       0.08  (   -0.04, -35.29%)   29.59%
  Sep 2013       0.12  (   -0.33, -73.94%)   45.73%
  Sep 2012       0.45  (    0.29, 193.86%)  175.44%
  Sep 2011       0.15  (    0.09, 161.02%)   59.70%
  Sep 2010       0.06  (    0.00,  -6.99%)   22.87%
  Sep 2009       0.06  (    0.20, 145.23%)   24.59%
  Sep 2008      -0.14  (   -0.41, #######)  -54.38%
  Sep 2007       0.28  (    0.77, 156.19%)  108.36%
  Sep 2006      -0.49  (   -1.71, #######)  #######
  Sep 2005       1.22  (    1.01, 478.92%)  480.46%
  Sep 2004       0.21  (   -0.11, -35.06%)   82.99%
  Sep 2003       0.33  (    0.16,  95.77%)  127.79%
  Sep 2002       0.17  (   -0.28, -63.16%)   65.28%
  Sep 2001       0.45  (   -0.07, -13.46%)  177.21%
  Sep 2000       0.52  (    0.04,   8.79%)  204.78%
  Sep 1999       0.48  (    0.36, 291.14%)  188.23%
  Sep 1998       0.12  (   -0.13, -50.80%)   48.12%
  Sep 1997       0.25  (   -0.07, -21.74%)   97.80%
  Sep 1996       0.32  (    0.12,  62.00%)  124.98%
  Sep 1995       0.20  (   -0.07, -26.91%)   77.14%
  Sep 1994       0.27  (    0.06,  29.57%)  105.55%
  Sep 1993       0.21  (   -0.08, -27.02%)   81.46%
  Sep 1992       0.28  (   -0.16, -35.37%)  111.62%
  Sep 1991       0.44  (   -0.40, -47.45%)  172.70%
  Sep 1990       0.84  (    0.51, 160.37%)  328.64%
  Sep 1989       0.32  (   -0.35, -52.25%)  126.22%
  Sep 1988       0.67  (    0.15,  28.18%)  264.32%
  Sep 1987       0.52  (    0.07,  15.07%)  206.21%
  Sep 1986       0.46  (    0.18,  64.08%)  179.20%
  Sep 1985       0.28  (   -0.20, -41.94%)  109.22%
  Sep 1984       0.48  (   -0.02,  -4.11%)  188.12%
  Sep 1983       0.50  (    0.29, 143.76%)  196.19%
  Sep 1982       0.20  (   -0.77, -79.01%)   80.49%
  Sep 1981       0.98  (    0.13,  16.03%)  383.38%
  Sep 1980       0.84  (   -0.24, -22.48%)  330.40%
  Sep 1979       1.08  (    0.33,  43.09%)  426.21%
  Sep 1978       0.76  (    0.43, 131.82%)  297.86%
  Sep 1977       0.33  (   -0.02,  -6.21%)  128.49%
  Sep 1976       0.35  (   -0.20, -36.93%)  136.99%
  Sep 1975       0.55  (    0.55,        )  217.22%
  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