Some interesting statistics1 about the G8 countries considered as a whole:

  • Population: 820 million
    —14% of the world total
  • Proportion of population living in Urban areas: 77%
  • Land area: 37 million square kilometers
    —25% of the world total
    (Russia accounts for 46% of the G8 land area)
  • GDP: $17.6 trillion
    —63% of the total world economy

  • Annual defense spending: $520 billion
    —appox. 2% of the world economy
  • Defense personnel: 3.9 million
  • Nuclear missiles: 2231

  • Roads: 7.3 million kilometers
    (half of them are in the US)
  • Motorways/freeways: 118,000 kilometers
    (72% of which are in the US)
  • Railroads: 691,000 kilometers
  • Navigable inland waterways: 190,000 kilometers
    (65% of which are in Russia)

  • Annual electricity production: 7 trillion kilowatt hours

  • Pigs: 158.2 million
  • Cattle: 222.6 million
  • Goats: 5.3 million
  • Sheep: 103.9 million
  • Horses: 7.4 million

  • College students: 30 million

(1) Source for all data: the Dorling-Kindersley World Reference Atlas