3228.0.55.001 - Population Estimates: Concepts, Sources and Methods, 2009  
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 12/06/2009   
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5.5 A difficulty in accurately estimating the number of births and deaths stems from the fact that while the vast majority are registered promptly, a small proportion of registrations are delayed for months or even years. Lags or accumulations in birth and death registrations can be caused by either:

  • late notification of a birth or death to a state or territory registry
  • delays arising from incomplete information supplied for a registration
  • procedural changes affecting the processing cycles in any of the state and territory registries
  • resolution of issues that may arise within the ABS or registry processing systems.

5.6 The following graph shows the variability between states/territories, and the greater lags for births than for deaths.

5.1 Births and deaths, Average interval between occurrence and registration - 2007
Graph: 5.1 Births and deaths, Average interval between occurrence and registration—2007

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