What percentage of Australia's 19 million people were born overseas?

At the time of the 2006 Census, 43 per cent of all Australians were born overseas or have at least one parent who was born overseas. Of those born overseas, the United Kingdom is the largest overseas-born group (23.5 percent), followed by New Zealand (8.8 percent), China (excluding SARs and Taiwan Province) (4.7 percent) and Italy (4.5 percent).