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. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

The given chart illustrates the proportion of

age

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of women giving birth to their first child in six different categories (under 19, 19-20, 25-30, 30-34, 34-39, and over 40 years old) in Australia over four decades between 1966, 1986, and 2006.

Overall

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, ages under 19 and between 19-24 experienced a downward trend, with

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age

Fix the agreement mistake

ages

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19-40 approving the highest number at the beginning. Meanwhile, ages around 30-34 and 34-39 showed upward trends.

While

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the remaining two categories were mixed trend throughout the end of the period.

To begin

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with,

age

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19-24 stood at over 60%

then

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gradually decreased to below a third at 28%

at the end

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of the period.

Similarly

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, the

age

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below

than

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apply

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19 started at approximately one in three before experiencing a gradual decrease to above 10% in 2006.

In contrast

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, both ages between 30-34 and 34-39 were extremely increased throughout the period by around 30%, from 12% to 45% for the former, and from 8% to precisely 30% for the latter. Regarding the two remained categories,

age

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between 25-

30

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and 30

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was the most significant change starting at around 35%

then

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increasing to exactly 50% in the following two decades

then

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falling to below 40%

at the end

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.

Finally

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, with regard to

age

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over 40 was remained relatively unchanged.