Complex sentence: According to the 2006 census there were over 44,000 young people homeless, meaning that about 43% of the Australian homeless population are babies, children and youth under the age of 25.
Split into simpler sentences: According to the 2006 census, there were over 44,000 young people homeless. This means that about 43% of the Australian homeless population are infants, children or youth under the age of 25.