from matplotlib import pyplot as plt

plt.rcParams["figure.figsize"] = [7.50, 3.50]
plt.rcParams["figure.autolayout"] = True

years = [1901, 1911, 1921, 1931, 1941, 1951,
        1961, 1971, 1981, 1991, 2001, 2011]
population = [237.4, 238.4, 252.09, 251.31, 278.98,
              318.66, 361.09, 439.23, 548.16,
              683.33, 846.42, 1028.74]

plt.plot(years, population, color='red', marker='o')

plt.show()