From: jdnicoll@panix.com   
      
   In article ,   
   Christian Weisgerber   wrote:   
   >On 2025-11-16, a425couple  wrote:   
   >   
   >> The novel is set on Earth in the year 2381, when the population of the   
   >> planet has reached 75 billion people.[4] Population growth has   
   >> skyrocketed due to a quasi-religious belief in human reproduction as the   
   >> highest possible good.   
   >   
   >Going from 8 billions now, that reflects a modest population growth   
   >of 20.5% for each 30-year generation.   
      
   This is the World Inside? The numbers in the book are wacky.   
   Let me dig out an old file...   
      
   The population in the Urbmons is 75 billion. The limit is thought to   
   be 200 billion. This is treated as a problem for the far future but at   
   4% a year, it's actually more like 25 years away. Worse, the impression   
   given is that the world has been in a high population, high birthrate   
   situation since "the collapse" centuries ago but at 4% per year for 200   
   years, the starting population would have had to be no more than about   
   30 million people.   
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