The given bar chart illustrates the percentage of women in Australia giving birth to their first child in 1966, 1986 and 2006.
Overall, it is clear that women aged under 19 and between 19 and 24 showed upward trends, while women aged between 30 and 34 and 34 and 39 experienced downward trend. In addition, the other age groups fluctuated over the period.
In detail, the percentage of women aged under 19 giving birth to their first child stood at about 34% in 1966 and gradually decreased to nearly 12% in 2006. The figure for aged between 19 to 24 recorded the highest percentage, at about 61% in 1966. After that, it fell significantly to just below 30% in 2006. Regarding the women aged over 40, the figure was around 4% in 1966 and declined to 2% in 1986 before rising to approximately 6% in 2006.
Turning to the women aged between 30 and 34 and 34 and 39, the figures were approximately 12% and 8%, respectively, in 1966. They then increased significantly to about 45% and 30%, respectively, in 2006. In the case of the women aged between 25 and 30, the figure was about 36% in 1966, before rising to 50% in 1986 and falling to 38% in 2006.
