'population age' is correct and can be used in written English.
For example, "The population age of this community is increasing rapidly, with many young families moving to the area."
Meanwhile, the median population age of England and Wales is 39: 38 for men and 40 for women.
More than nine-tenths of the population age 15 and older are literate.
The population age 85 and older, the group most likely to need long-term care, is expected to double, to 8.9 million, by 2030.
Of the population age 5 and over, 48percentt spoke a language other than English at home, up from 41percentt in 1990.
Upper quantiles were also affected by population age.
Just 11percentt of the population age 12 or older listened to podcasts in 2006.
Its use is not recommended in pregnancy or in the pediatric population (age ≤18 years).
The overall sex ratio largely depends on the population age distribution.
Age adjusted study to the general population age gropus is applied.
Improving survival and changing fertility and immigration modify the population age composition.
