The graph compares the fertility rate in the United Kingdom in 6 type of age brackets between 1973 and 2008.
Overall, the women aged 25 to 29 remained the highest birth rate through out the period, while the age group 40 and over stayed as the lowest rate. In addition, there were a declined trend for the rest of four out of six age groups.
In 1973, those between the ages of 25 and 29 recorded the greatest number, achieving 140 births per 1000 women. After experiencing some fluctuation, it ended at just bellow 120 births in 2008. People aged 40 and over consistently had the lowest birth rate, starting at 20 births per 1000 people in 1973 and failing gradually to around 10 in 2008. During the same period, the birth rates for women aged under 20 and those aged 20 to 25 also saw a decline. The fomer started from 60 births per 1000 women then it decreased to 40, whereas the latter from roughly 125 to about 95 births.
The remaining age groups followed a completely differents pattern, with birth rates witnessing an upward trends. Birth rates for the 25 – 30 age group increased from around 70 to nearly 85. The rate for people aged 35 to 39 showed a gradual increase between 1973 and 1988, followed by more maked rise, reaching to nearly 65 births per 1000 women.