How do I plot multiple X or Y axes in Matplotlib?

To plot multiple X or Y axis, we can use twinx() or twiny() methods, we can take the following Steps −

  • Using subplots() method, create a figure and a set of subplots.

  • Plot [1, 2, 3, 4, 5] data points on the left Y-axis scales.

  • Using twinx() method, create a twin of Axes with a shared X-axis but independent Y-axis, ax2.

  • Plot [11, 12, 31, 41, 15] data points on the right Y-axis scale, with blue color.

  • Using tight_layout() method, adjust the padding between and around the subplots.

  • To display the figure, use show() method.


import matplotlib.pyplot as plt
plt.rcParams["figure.figsize"] = [7.00, 3.50]
plt.rcParams["figure.autolayout"] = True
fig, ax1 = plt.subplots()
ax1.plot([1, 2, 3, 4, 5], color='red')
ax2 = ax1.twinx()
ax2.plot([11, 12, 31, 41, 15], color='blue')


Updated on: 15-May-2021

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