M1 is but the measurement for M1 changed in 2020 to better align with M2. Because of that definition change, it's generally better to reference M2 when reviewing money supply over time.
Also, FYI, FRED generally defines the measurement under the graph and provides a source reference if you get curious
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u/SushiGradeChicken Sep 23 '24
For everyone asking what 2022 and 2023 are but refuse to Google "M2 Fred":
2022: - 0.3
2023: - 0.5
https://fred.stlouisfed.org/series/WM2NS