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# pandas.Index.is_monotonic_increasing

property Index.is_monotonic_increasing

  Return a boolean if the values are equal or increasing.

  A monotonically increasing index has values that are equal to or greater than the preceding value. This is useful for checking if an index is sorted in non-decreasing order.

  Returns:
    bool

  See also

  `Index.is_monotonic_decreasing`

    Check if the values are equal or decreasing.

  Examples

      >>> pd.Index([1, 2, 3]).is_monotonic_increasing
      True
      >>> pd.Index([1, 2, 2]).is_monotonic_increasing
      True
      >>> pd.Index([1, 3, 2]).is_monotonic_increasing
      False