Diminishing Rate of Annual Increase.
  
    
      |  | Annual Rate Period, 1861-91. | Per cent. Period, 1891-1901. | 
  
  
    
      | Australasia. |  |  | 
    
      | Natural Increase, or excess of births over deaths | 2.36 | 1.62 | 
    
      | Excess of Immigration over Emigration | 1.49 | 0.16 | 
    
      | Total | 3.85 | 1.78 | 
    
      | Time in years in which the respective rates, if continuous, would double the population | 18.3 | 39.3 | 
    
      | United Kingdom. |  |  | 
    
      | Total Net Increase from all causes | 0.89 | 0.73 | 
    
      | Years required to double population | 78 | 95 |