Definition of 'Thomas Malthus'
An 18th-century British philosopher and economist famous for his ideas about population growth. Malthus' population theories were outlined in his book, "An Essay on the Principle of Population", first published in 1798. In it he theorized that populations will continue to grow until growth is stopped or reversed by disease, famine, war or calamity. He developed what is now referred to as the Malthusian growth model, an exponential formula used to forecast population growth.
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