It is estimated that the fertile lands of the globe amount to 28.000.000 square miles, the steppes to 14,000,000, and the deserts to 1.000.000. Fixing 207 persons to the square mile for fertile lands, 10 for steppes and 1 for deserts as the greatest population that the earth could properly nourish. Professor Ravenstein arrives at the conclusion that when the number of inhabitants reaches about 0.000,000,000 the earth will be people! to its full capacity. At present it contains somewhat more than oni! quarter of that number. If the rate of increase shown by the latest census statistics should be uniformly maintained. Professor Ravenstein shows that the globe Would be fully peopled about the year 2072—about a century and a half hence.
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Bibliographic details
New Zealand Graphic, Volume XXXIX, Issue 21, 23 November 1907, Page 32
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122Untitled New Zealand Graphic, Volume XXXIX, Issue 21, 23 November 1907, Page 32
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