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Historical Consumer Price Index Change

In November 2023, the Bureau of Labor Statistics (BLS)announced that the Consumer Price Index (CPI) had changed by 3.24% in the preceding year.

This means that, according to the BLS, consumer prices during the preceding 12 months increased by 3.24%.

Each month, the BLS announces that figure for the preceding 12 months, but it's very difficult to find a table of historical values for this on a monthly basis. That is, there are tables of CPI values on a monthly basis for each month, but I was unable to find a table of monthly values, where each value is the CPI percentage increase for the preceding 12 months.

So I took a table of published CPI values, and wrote some software that reads the table and prints out a table, on a monthly basis, of the CPI change in the preceding 12 months.

I found this table very interesting, and others may as well. You can copy and paste this table into a text file, or you can paste it into Excel.

This was updated on 11-26-2023

Historical CPI data - Percentage change for preceding 12 months

Year    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec

1914,  2.04,  1.02,  1.02,  0.00,  2.06,  1.02,  1.01,  3.03,  2.00,  1.00,  0.99,  1.00
1915,  1.00,  1.01,  0.00,  2.04,  2.02,  2.02,  1.00, -0.98, -0.98,  0.99,  0.98,  1.98
1916,  2.97,  4.00,  6.06,  6.00,  5.94,  6.93,  6.93,  7.92,  9.90, 10.78, 11.65, 12.62
1917, 12.50, 15.38, 14.29, 18.87, 19.63, 20.37, 18.52, 19.27, 19.82, 19.47, 17.39, 18.10
1918, 19.66, 17.50, 16.67, 12.70, 13.28, 13.08, 17.97, 18.46, 18.05, 18.52, 20.74, 20.44
1919, 17.86, 14.89, 17.14, 17.61, 16.55, 14.97, 15.23, 14.94, 13.38, 13.13, 13.50, 14.55
1920, 16.97, 20.37, 20.12, 21.56, 21.89, 23.67, 19.54, 14.69, 12.36,  9.94,  7.03,  2.65
1921, -1.55, -5.64, -7.11,-10.84,-14.08,-15.79,-14.90,-12.81,-12.50,-12.06,-12.12,-10.82
1922,-11.05, -8.15, -8.74, -7.73, -5.65, -5.11, -5.08, -6.21, -5.14, -4.57, -3.45, -2.31
1923, -0.59, -0.59,  0.60,  1.20,  1.20,  1.80,  2.38,  3.01,  3.61,  3.59,  2.98,  2.37
1924,  2.98,  2.38,  1.79,  0.59,  0.59,  0.00, -0.58, -0.58, -0.58, -0.58, -0.58,  0.00
1925,  0.00,  0.00,  1.17,  1.18,  1.76,  2.94,  3.51,  4.12,  3.51,  2.91,  4.65,  3.47
1926,  3.47,  4.07,  2.89,  4.07,  2.89,  1.14, -1.13, -1.69, -1.13, -0.56, -1.67, -1.12
1927, -2.23, -2.79, -2.81, -3.35, -2.25, -0.56, -1.14, -1.15, -1.14, -1.14, -2.26, -2.26
1928, -1.14, -1.72, -1.16, -1.16, -1.15, -2.84, -1.16, -0.58,  0.00, -1.15, -0.58, -1.16
1929, -1.16,  0.00, -0.58, -1.17, -1.16,  0.00,  1.17,  1.17,  0.00,  0.58,  0.58,  0.58
1930,  0.00, -0.58, -0.59,  0.59, -0.59, -1.75, -4.05, -4.62, -4.05, -4.62, -5.20, -6.40
1931, -7.02, -7.65, -7.69, -8.82, -9.47,-10.12, -9.04, -8.48, -9.64, -9.70,-10.37, -9.32
1932,-10.06,-10.19,-10.26,-10.32,-10.46, -9.93, -9.93,-10.60,-10.67,-10.74,-10.20,-10.27
1933, -9.79, -9.93,-10.00, -9.35, -8.03, -6.62, -3.68, -2.22, -1.49, -0.75,  0.00,  0.76
1934,  2.33,  4.72,  5.56,  5.56,  5.56,  5.51,  2.29,  1.52,  3.03,  2.27,  2.27,  1.52
1935,  3.03,  3.01,  3.01,  3.76,  3.76,  2.24,  2.24,  2.24,  0.74,  1.48,  2.22,  2.99
1936,  1.47,  0.73,  0.00, -0.72, -0.72,  0.73,  1.46,  2.19,  2.19,  2.19,  1.45,  1.45
1937,  2.17,  2.17,  3.65,  4.38,  5.11,  4.35,  4.32,  3.57,  4.29,  4.29,  3.57,  2.86
1938,  0.71,  0.00, -0.70, -0.70, -2.08, -2.08, -2.76, -2.76, -3.42, -4.11, -3.45, -2.78
1939, -1.41, -1.42, -1.42, -2.82, -2.13, -2.13, -2.13, -2.13,  0.00,  0.00,  0.00,  0.00
1940, -0.71,  0.72,  0.72,  1.45,  1.45,  2.17,  1.45,  1.45, -0.71,  0.00,  0.00,  0.71
1941,  1.44,  0.71,  1.43,  2.14,  2.86,  4.26,  5.00,  6.43,  7.86,  9.29, 10.00,  9.93
1942, 11.35, 12.06, 12.68, 12.59, 13.19, 10.88, 11.56, 10.74,  9.27,  9.15,  9.09,  9.03
1943,  7.64,  6.96,  7.50,  8.07,  7.36,  7.36,  6.10,  4.85,  5.45,  4.19,  3.57,  2.96
1944,  2.96,  2.96,  1.16,  0.57,  0.00,  0.57,  1.72,  2.31,  1.72,  1.72,  1.72,  2.30
1945,  2.30,  2.30,  2.30,  1.71,  2.29,  2.84,  2.26,  2.26,  2.26,  2.26,  2.26,  2.25
1946,  2.25,  1.69,  2.81,  3.37,  3.35,  3.31,  9.39, 11.60, 12.71, 14.92, 17.68, 18.13
1947, 18.13, 18.78, 19.67, 19.02, 18.38, 17.65, 12.12, 11.39, 12.75, 10.58,  8.45,  8.84
1948, 10.23,  9.30,  6.85,  8.68,  9.13,  9.55,  9.91,  8.89,  6.52,  6.09,  4.76,  2.99
1949,  1.27,  1.28,  1.71,  0.42, -0.42, -0.83, -2.87, -2.86, -2.45, -2.87, -1.65, -2.07
1950, -2.08, -1.26, -0.84, -1.26, -0.42, -0.42,  1.69,  2.10,  2.09,  3.80,  3.78,  5.93
1951,  8.09,  9.36,  9.32,  9.32,  9.28,  8.82,  7.47,  6.58,  6.97,  6.50,  6.88,  6.00
1952,  4.33,  2.33,  1.94,  2.33,  1.93,  2.32,  3.09,  3.09,  2.30,  1.91,  1.14,  0.75
1953,  0.38,  0.76,  1.14,  0.76,  1.14,  1.13,  0.37,  0.75,  0.75,  1.12,  0.75,  0.75
1954,  1.13,  1.51,  1.13,  0.75,  0.75,  0.37,  0.37,  0.00, -0.37, -0.74, -0.37, -0.74
1955, -0.74, -0.74, -0.74, -0.37, -0.74, -0.74, -0.37, -0.37,  0.37,  0.37,  0.37,  0.37
1956,  0.37,  0.37,  0.37,  0.75,  1.12,  1.87,  2.24,  1.87,  1.86,  2.23,  2.23,  2.99
1957,  2.99,  3.36,  3.73,  3.72,  3.70,  3.31,  3.28,  3.66,  3.28,  2.91,  3.27,  2.90
1958,  3.62,  3.25,  3.60,  3.58,  3.21,  2.85,  2.47,  2.12,  2.12,  2.12,  2.11,  1.76
1959,  1.40,  1.05,  0.35,  0.35,  0.35,  0.69,  0.69,  1.04,  1.38,  1.73,  1.38,  1.73
1960,  1.03,  1.73,  1.73,  1.72,  1.72,  1.72,  1.37,  1.37,  1.02,  1.36,  1.36,  1.36
1961,  1.71,  1.36,  1.36,  1.02,  1.02,  0.68,  1.35,  1.01,  1.35,  0.67,  0.67,  0.67
1962,  0.67,  1.01,  1.01,  1.34,  1.34,  1.34,  1.00,  1.34,  1.33,  1.33,  1.33,  1.33
1963,  1.33,  1.00,  1.33,  0.99,  0.99,  1.32,  1.32,  1.32,  0.99,  1.32,  1.32,  1.64
1964,  1.64,  1.64,  1.31,  1.31,  1.31,  1.31,  1.30,  0.98,  1.30,  0.97,  1.30,  0.97
1965,  0.97,  0.97,  1.29,  1.62,  1.62,  1.94,  1.61,  1.94,  1.61,  1.93,  1.60,  1.92
1966,  1.92,  2.56,  2.56,  2.87,  2.87,  2.53,  2.85,  3.48,  3.48,  3.79,  3.79,  3.46
1967,  3.46,  2.81,  2.80,  2.48,  2.79,  2.78,  2.77,  2.45,  2.75,  2.43,  2.74,  3.04
1968,  3.65,  3.95,  3.94,  3.93,  3.92,  4.20,  4.49,  4.48,  4.46,  4.75,  4.73,  4.72
1969,  4.40,  4.68,  5.25,  5.52,  5.51,  5.48,  5.44,  5.71,  5.70,  5.67,  5.93,  6.20
1970,  6.18,  6.15,  5.82,  6.06,  6.04,  6.01,  5.98,  5.41,  5.66,  5.63,  5.60,  5.57
1971,  5.29,  5.00,  4.71,  4.16,  4.40,  4.64,  4.36,  4.62,  4.08,  3.81,  3.28,  3.27
1972,  3.27,  3.51,  3.50,  3.49,  3.23,  2.71,  2.95,  2.94,  3.19,  3.42,  3.67,  3.41
1973,  3.65,  3.87,  4.59,  5.06,  5.53,  6.00,  5.73,  7.38,  7.36,  7.80,  8.25,  8.71
1974,  9.39, 10.02, 10.39, 10.09, 10.71, 10.86, 11.51, 10.86, 11.95, 12.06, 12.20, 12.34
1975, 11.80, 11.23, 10.25, 10.21,  9.47,  9.39,  9.72,  8.60,  7.91,  7.44,  7.38,  6.94
1976,  6.72,  6.29,  6.07,  6.05,  6.20,  5.97,  5.35,  5.71,  5.49,  5.46,  4.88,  4.86
1977,  5.22,  5.91,  6.44,  6.95,  6.73,  6.87,  6.83,  6.62,  6.60,  6.39,  6.72,  6.70
1978,  6.84,  6.43,  6.55,  6.50,  6.97,  7.41,  7.70,  7.84,  8.31,  8.93,  8.89,  9.02
1979,  9.28,  9.86, 10.09, 10.49, 10.85, 10.89, 11.26, 11.82, 12.18, 12.07, 12.61, 13.29
1980, 13.91, 14.18, 14.76, 14.73, 14.41, 14.38, 13.13, 12.87, 12.60, 12.77, 12.65, 12.52
1981, 11.83, 11.41, 10.49, 10.00,  9.78,  9.55, 10.76, 10.80, 10.95, 10.14,  9.59,  8.92
1982,  8.39,  7.62,  6.78,  6.51,  6.68,  7.06,  6.44,  5.85,  5.04,  5.14,  4.59,  3.83
1983,  3.71,  3.49,  3.60,  3.90,  3.55,  2.58,  2.46,  2.56,  2.86,  2.85,  3.27,  3.79
1984,  4.19,  4.60,  4.80,  4.56,  4.23,  4.22,  4.20,  4.29,  4.27,  4.26,  4.05,  3.95
1985,  3.53,  3.52,  3.70,  3.69,  3.77,  3.76,  3.55,  3.35,  3.14,  3.23,  3.51,  3.80
1986,  3.89,  3.11,  2.26,  1.59,  1.49,  1.77,  1.58,  1.57,  1.75,  1.47,  1.28,  1.10
1987,  1.46,  2.10,  3.03,  3.78,  3.86,  3.65,  3.93,  4.28,  4.36,  4.53,  4.53,  4.43
1988,  4.05,  3.94,  3.93,  3.90,  3.89,  3.96,  4.13,  4.02,  4.17,  4.25,  4.25,  4.42
1989,  4.67,  4.83,  4.98,  5.12,  5.36,  5.17,  4.98,  4.71,  4.34,  4.49,  4.66,  4.65
1990,  5.20,  5.26,  5.23,  4.71,  4.36,  4.67,  4.82,  5.62,  6.16,  6.29,  6.27,  6.11
1991,  5.65,  5.31,  4.90,  4.89,  4.95,  4.70,  4.45,  3.80,  3.39,  2.92,  2.99,  3.06
1992,  2.60,  2.82,  3.19,  3.18,  3.02,  3.09,  3.16,  3.15,  2.99,  3.20,  3.05,  2.90
1993,  3.26,  3.25,  3.09,  3.23,  3.22,  3.00,  2.78,  2.77,  2.69,  2.75,  2.68,  2.75
1994,  2.52,  2.52,  2.51,  2.36,  2.29,  2.49,  2.77,  2.90,  2.96,  2.61,  2.67,  2.67
1995,  2.80,  2.86,  2.85,  3.05,  3.19,  3.04,  2.76,  2.62,  2.54,  2.81,  2.61,  2.54
1996,  2.73,  2.65,  2.84,  2.90,  2.89,  2.75,  2.95,  2.88,  3.00,  2.99,  3.26,  3.32
1997,  3.04,  3.03,  2.76,  2.50,  2.23,  2.30,  2.23,  2.23,  2.15,  2.08,  1.83,  1.70
1998,  1.57,  1.44,  1.37,  1.44,  1.69,  1.68,  1.68,  1.62,  1.49,  1.49,  1.55,  1.61
1999,  1.67,  1.61,  1.73,  2.28,  2.09,  1.96,  2.14,  2.26,  2.63,  2.56,  2.62,  2.68
2000,  2.74,  3.22,  3.76,  3.07,  3.19,  3.73,  3.66,  3.41,  3.45,  3.45,  3.45,  3.39
2001,  3.73,  3.53,  2.92,  3.27,  3.62,  3.25,  2.72,  2.72,  2.65,  2.13,  1.90,  1.55
2002,  1.14,  1.14,  1.48,  1.64,  1.18,  1.07,  1.46,  1.80,  1.51,  2.03,  2.20,  2.38
2003,  2.60,  2.98,  3.02,  2.22,  2.06,  2.11,  2.11,  2.16,  2.32,  2.04,  1.77,  1.88
2004,  1.93,  1.69,  1.74,  2.29,  3.05,  3.27,  2.99,  2.65,  2.54,  3.19,  3.52,  3.26
2005,  2.97,  3.01,  3.15,  3.51,  2.80,  2.53,  3.17,  3.64,  4.69,  4.35,  3.46,  3.42
2006,  3.99,  3.60,  3.36,  3.55,  4.17,  4.32,  4.15,  3.82,  2.06,  1.31,  1.97,  2.54
2007,  2.07,  2.42,  2.80,  2.58,  2.67,  2.71,  2.36,  1.96,  2.76,  3.52,  4.32,  4.06
2008,  4.30,  4.03,  3.94,  3.92,  4.18,  4.99,  5.60,  5.38,  4.93,  3.67,  1.06,  0.11
2009,  0.02,  0.23, -0.37, -0.73, -1.27, -1.42, -2.10, -1.48, -1.29, -0.18,  1.84,  2.72
2010,  2.63,  2.14,  2.31,  2.24,  2.02,  1.05,  1.24,  1.15,  1.14,  1.17,  1.14,  1.50
2011,  1.63,  2.11,  2.68,  3.16,  3.57,  3.56,  3.63,  3.77,  3.87,  3.53,  3.39,  2.96
2012,  2.92,  2.87,  2.65,  2.30,  1.70,  1.66,  1.41,  1.69,  1.99,  2.16,  1.76,  1.74
2013,  1.60,  1.98,  1.47,  1.06,  1.36,  1.75,  1.96,  1.52,  1.18,  0.96,  1.24,  1.50
2014,  1.58,  1.13,  1.51,  1.95,  2.13,  2.07,  1.99,  1.70,  1.66,  1.66,  1.32,  0.76
2015, -0.09, -0.03, -0.07, -0.20, -0.04,  0.12,  0.17,  0.20, -0.04,  0.17,  0.50,  0.73
2016,  1.37,  1.02,  0.85,  1.13,  1.02,  1.01,  0.84,  1.06,  1.46,  1.64,  1.69,  2.07
2017,  2.50,  2.74,  2.38,  2.20,  1.87,  1.63,  1.72,  1.94,  2.23,  2.04,  2.20,  2.11
2018,  2.07,  2.21,  2.36,  2.46,  2.80,  2.87,  2.95,  2.70,  2.28,  2.52,  2.18,  1.91
2019,  1.55,  1.52,  1.86,  2.00,  1.79,  1.65,  1.81,  1.75,  1.71,  1.76,  2.05,  2.29
2020,  2.49,  2.33,  1.54,  0.33,  0.12,  0.65,  0.99,  1.31,  1.37,  1.18,  1.17,  1.36
2021,  1.40,  1.68,  2.62,  4.16,  4.99,  5.39,  5.37,  5.25,  5.39,  6.22,  6.81,  7.04
2022,  7.48,  7.87,  8.54,  8.26,  8.58,  9.06,  8.52,  8.26,  8.20,  7.75,  7.11,  6.45
2023,  6.41,  6.04,  4.98,  4.93,  4.05,  2.97,  3.18,  3.67,  3.70,  3.24,0,0

Year    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec