<Dd> 55 - 64 years: 11.98% (male 3,843,268 / female 3,918,244) </Dd> <Dd> 65 years and over: 18.04% (male 5,246,475 / female 6,439,832) (2017 est .) </Dd> <Dl> <Dt> Total fertility rate </Dt> <Dd> </Dd> </Dl> <Dt> Total fertility rate </Dt>

How many 15-16 year olds are there in the uk