Meanings

declining birth rate and aging population

age in days

elderly care

embryonic age

young (e.g. young children)

susceptible age (for a disease, condition, etc.)

aged

minimum age (e.g. employment)

latter-stage elderly healthcare system

productive age

working-age population

housing for the elderly with home-care services provided

age lowering

age verification

extreme population aging (ageing)

age of majority

voting age

abuse of elderly people

age of majority

to grow old