The chart below gives information about the age of women in Australia when they gave birth to their first child in 1966, 1986 and 2006

The data sources clearly communicates the percentage of Australia women_s

gro

en they del

eir

child in three separate years (1966, 1986 and 2006). 
Overall, while there was an overall upward trend in the proportion of

-time mothers aged 24 or over, a downward trend could be seen in the women in the

range of 20 to 24 or under.  
In 1966, the vast majority of women gave birth to their

child made up above 60%, compared to the 19s or under was much lower, which was around 35%. The figures for women aged 20 to 24 gradually decreased by roughly 20%, at 40% in 1898 and ended at around 33% in

e end of the period. The percentage for the 19s or under dropped by 20%, to 40% in 1986 and decreased triple its ratio at 1966 in 2006.  
Turning to the three remaining

categories, the percentage of the 30-34s and the 34-39s who giving their

child abruptly surge by above 40% and by 33% respectively throughout the period of 40 years. In 1966, there was around 37% of the 25-30s and 3% of the 40

group of above,

these figures climbed to 42% and only 4% in 2006.