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The weight of nations: an estimation of adult human biomass

  • Sarah Catherine Walpole1Email author,
  • David Prieto-Merino2,
  • Phil Edwards2,
  • John Cleland2,
  • Gretchen Stevens3 and
  • Ian Roberts2
BMC Public Health201212:439

Received: 18 November 2011

Accepted: 18 June 2012

Published: 18 June 2012

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Archived Comments

  1. Biomass comparison - have we 'filled' the earth, yet?

    18 July 2013

    Robert Dye, retired

    Type your comment here...
    How does the total biomass of the human species compare with that of any other species, terrestrial or marine?

    The figure stated was for the 2005 census. Would it be appropriate to scale it up to the over 7 billion now living?

    Competing interests

    None declared

Authors’ Affiliations

Foundation Year 2 doctor, North Yorkshire and East Coast deanery, Leeds, UK
Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, UK
Department of Health Statistics and Informatics, World Health Organization, Geneva 27, Switzerland