The chart and table illustrates the average number of one woman who give a birth also the average age of women when they had their first child in United Kingdom and Kazakhstan from 1920 to 2019. Overall, it has a fluctuative amount over the time period especially from 1960 to 2019.
As we can see, the average number of children born to one woman in 1920 to 1960 has steadily increased for both countries as well as the average age when women have their child in kazakhstan. In contrast, from 1960 to 2000 both countries was considerable decline but slowly moved up in 2019.
Since 1920, there is an upward trend in Kazakhstan for the average age for woman who has their first child. It means there is a habitat changes that makes the age rised over the time period. Meanwhile, the number of the average age woman who has their first child are fluctuated in UK since 1920 to 2019. The number goes down in 1920 to 1960 and suddenly go up in 1980 to 2019.