Some have argued that immigration levels can be increased to address population ageing.Because migrants are predominantly of workforce age, migration will assist in keeping up workforce growth. Moreover, if they are skilled they will raise general skill levels and productivity.This is in fact happening. The Government recognises that the greatest gains to Australia come from young skilled migrants, and has shifted the balance of Australia’s Migration Program from less than 30 per cent skilled in 1995-96 to more than double that proportion in 2002-03.But increased migration cannot prevent our population from ageing. This is because migrants who come to Australia will age along with the rest of the population. To maintain Australia’s existing age structure through immigration would require increases in immigration every year — and the increases would need to become progressively larger and larger to take account of the ageing of the migrants themselves. While there are undoubted benefits in maintaining net overseas migration, migration cannot stop the ageing of our population.
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