The given bar chart shows the percentage in age group of women in australia that giving birth to their first child in 1966,1986 and 2000.
Overall,it is clear that the trend of women who give birth to their first child in australia had getting older every year.
An age group of 30-34 years old had a massive increase which is from around 10% in 1966 to more than 40% in 2006. Also in age group of 34-39 years old had rise up from less than 10% to 30% in 40 years. In 1966,the 25-30 group age had increased from more than 30% to 50% in 20 years and fell down to less than 40% in 2006.
However the percentage of women in age of under 19 had decrease more than 30% in 1966 to around 10% in 2006. The group age of 19-24 years old had also fell down from more than 60% in 1966,which is the highest percentage of all age group,to lower than 30% in 2006.The percentage of women who are older than 40 years old had a slightly change which is in all three years or less than 10%.
