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

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

first

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delivery increased with advancing

years

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. Comparatively, the ages at

first

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-time deliveries for 20-

24

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24-year-old

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year

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old females and teenagers decreased over the period.

Whereas

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most

first

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deliveries occurred amongst 20-

24

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24-year-old

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year

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

first

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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

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, women aged 35-39

years

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

quadripled

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quadrupled

in the

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2006.

However

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, there were fluctuations in the 25-29

year

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old women's age of giving birth to their

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first borns

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firstborns

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as nearly 40% was witnessed in 1966.

This

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

years

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and greater achieved motherhood in all 3

years

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, occurring at about 5% or less.