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 bar diagram compares the ages of females at the time of delivering their firstborns in the

years

1966, 1986 and 2006 in Australia. It is immediately apparent that the ages of

first

delivery increased with advancing

years

. Comparatively, the ages at

first

-time deliveries for 20-

24

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24-year-old

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year

old females and teenagers decreased over the period.

Whereas

most

first

deliveries occurred amongst 20-

24

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24-year-old

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year

old ladies at a little over 60% in 1966, the age at

first

teenage delivery was approximately 35%.

Meanwhile

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Meanwhile,

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in 2006, these figures fell to just below half and a third of the aforementioned age groups respectively.

By contrast

, women aged 35-39

years

observed a rise in their initial births where the recorded 12% in 1966

quadripled

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quadrupled

in the

year

2006.

However

, there were fluctuations in the 25-29

year

old women's age of giving birth to their

first borns

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firstborns

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as nearly 40% was witnessed in 1966.

This

figure increased by just more than 10% and by 10% in 1986 and 2006 respectively. Notably, very few ladies 40

years

and greater achieved motherhood in all 3

years

, occurring at about 5% or less.