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 chart illustrates the proportion of Australian

women

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delivering their firstborns in six age groups in the

years

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1966, 1986 and 2006.

Overall

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,

it is clear that

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the age of

women

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giving

birth

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to their first kid is going older over the

period

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of forty

years

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.

According to

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the data,

women

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aged 19-24

years

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old were at the highest

rate

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in 1966, at 60%. The

rate

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,

however

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, gradually decreased until it reached below 30% forty

years

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later.

Similarly

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, teenage

women

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(under 19

years

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old) showed a downward trend throughout the

period

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as well, from around 35% in 1966 to below 15%

at the end

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of the

period

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.

On the other hand

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, the

rate

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of mature

women

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(aged from 30 to 34

years

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old) giving

birth

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for their time consistently grew by 30% in four decades.

This

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pattern

also

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applied to the

rate

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of giving

birth

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for females between 34 and 39

years

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old, albeit not as much as those aged from 30 to 34

years

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old, by around

20

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a 20

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% increase for over

forty

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40

years

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. The

rate

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of

women

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aged 25 to 30

years

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old delivering their first babies,

however

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, climbed up from around 35% in 1966 to 50% two decades later, before it experienced a downfall in the next twenty

years

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by around 12%.

Furthermore

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, the

rate

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of giving

birth

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for

women

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over 40 was consistently the lowest compared to the other age groups throughout the

period

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.