The Full Form of SA1 is Statistical Areas Level 1.
Statistical Areas Level 1 (SA1s) are built from whole Mesh Blocks. There are 54,805 SA1s covering the
whole of Australia without gaps or overlaps. They have been designed as the smallest area of output
for the Census of Population and Housing, replacing the Census Collection Districts (CCDs). Whole
SA1s aggregate to form Statistical Areas Level 2 (SA2s).
SA1s are also used to approximate a number of administrative regions (the Non-ABS Structures) for
which Census data are produced, such as Postal Areas and State Suburbs.
SA1
means
Statistical Areas Level 1
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