The bar chart compares the ages when women gave first childbirth in Australia between 1966 and 2006. Overall, there was a noticeable shift in the percentage of different-aged females who gave birth to thier first child over the period. While there was a drop in the proportion of young women under the age of 25, the opposite was observed among women aged between 30 and over 40s, with the biggest rises seen among women in their 30s.
In 1966, the majority of women leaned towards earlier parenthood with over 60% falling with 20-24 age bracket. However, this percentage saw a 20-point fall in 1986, further dropping to 30% in 2006. 25-29 age was the second largest percentage-holder, starting at just under 40% in 1966. Despite a significant rise and reaching a peak of 51 percentage-points in 1986, this figure dropped by 10%, indicating merely 41% in 2006. Similar to women in 20-25 age bracket, those aged under 19 experienced a fall in numbers over the years from an initial 35% to around 21% in 1986 before finishing at 11% finally.
Moving to the older age categories of women who were witnessed to give birth to their first child, those were the one who experienced the biggest shift in the percentage-points throughout the period. Starting at around 12% initially, the percentage of those age between 30 and 34 grew to 18% in 1986, a figure then upsurged to its peak of approximately 50% at the end of the period. Moreover, women in their 40s also showed great rise, from just under 10% to 30% in 2006. As for their elderly counterparts, who were 40+ years old, despite having the least percentages in all period, their figure rose by 4% from 1966 to 2006, reaching at 6%.
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