Malthusian theory was given by a British scholar Thomas Robert Malthus in 1798. He noted,

  • Food production increases in arithmetic progression while population increases in geometric progression.
  • Nature itself tries to establish equilibrium between population and food supply, through Positive Checks such as famine, epidemics, earthquake etc.
  • Malthus also advised humans to initiate Preventative Checks to control population growth e.g. family planning, celibacy, late marriages etc.

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