Chart 6. Official CPI-U U.S. city-average food at employee sites and schools index and unofficial research price index, December 2019–July 2023
Period Official CPI (rebased) Research index

Dec 2019

100.00 100.00

Jan 2020

100.15 100.15

Feb 2020

100.09 100.09

Mar 2020

100.35 100.35

Apr 2020

100.34 100.34

May 2020

100.45 100.45

Jun 2020

94.26 94.26

Jul 2020

[1] [1]

Aug 2020

96.05 96.05

Sep 2020

96.38 96.38

Oct 2020

96.37 96.37

Nov 2020

90.30 90.30

Dec 2020

90.29 90.29

Jan 2021

86.07 86.07

Feb 2021

75.56 75.56

Mar 2021

65.50 65.50

Apr 2021

65.07 65.07

May 2021

65.85 65.87

Jun 2021

66.12 66.14

Jul 2021

66.56 66.59

Aug 2021

55.25 55.35

Sep 2021

51.74 52.28

Oct 2021

52.65 53.78

Nov 2021

49.76 50.75

Dec 2021

45.81 46.77

Jan 2022

45.73 46.92

Feb 2022

44.82 46.46

Mar 2022

45.51 47.44

Apr 2022

45.55 47.47

May 2022

45.75 47.77

Jun 2022

56.81 54.51

Jul 2022

57.31 55.42

Aug 2022

68.36 72.44

Sep 2022

99.04 101.57

Oct 2022

102.76 106.29

Nov 2022

104.53 109.26

Dec 2022

105.17 110.08

Jan 2023

105.32 110.58

Feb 2023

105.06 110.31

Mar 2023

105.26 110.53

Apr 2023

105.17 110.46

May 2023

105.48 111.00

Jun 2023

105.53 111.10

Jul 2023

105.68 110.89

[1] Data did not pass publication criteria.

Note: All indexes rebased to 100.00 in December 2019. CPI-U = Consumer Price Index for All Urban Consumers.

Source: U.S. Bureau of Labor Statistics.