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Pandas · Method

df.sort_index

DataFrame.sort_index reorders rows or columns by their labels. It returns a new DataFrame by default and can sort ascending or descending.

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Syntax

DataFrame.sort_index(*, axis=0, level=None, ascending=True, inplace=<no_default>, kind="quicksort", na_position="last", sort_remaining=True, ignore_index=False, key=None)

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  • Series.sort_index
  • DataFrame.sort_values
  • Series.sort_values

Source: pandas.DataFrame.sort_index — pandas 3.1.0 documentation. Checked 2026-11-03.