blackboard and chalk with demographic change

age aging average birth births blackboard board care chalk chalkboard change changes charity checklist children citizen citizens contributors costs death demographic demographically demographics departures development economy education effect estimations expectancy freedom guarantor homes housing inflows information institutions labour life maintenance market men migration mortality movement municipalities naturalized nursing older pension people period population problem quantitatively rate rejuvenating relationship remodeling school schools semester seminar shares society solving state structure surface teaching women younger