"Figure 6.2: Projected proportion of children, people of working age and State Pension age, UK, mid-2041","" "","" "","" "Notes","1. Children are defined as those aged 0 to 15. Working age and pensionable age populations are based on State Pension age (SPA) for the stated year. Under current legislation SPA in mid-2041 will be 67 for both sexes. " "Unit","Persons percentage" "","" "","Children (percent)","Pensionable age (percent)","Working age (percent)" "Principal","17.35752116","22.32312372","60.31935512" "High fertility","18.1300734","21.99984603","59.87008056" "Low fertility","15.95946041","22.85861275","61.18192684" "High life expectancy","17.24150372","22.78452138","59.9739749" "Low life expectancy","17.54166175","21.5979638","60.86037445" "High migration","17.54337194","21.73388054","60.72274752" "Low migration ","17.15872766","22.95386203","59.88741031" "Zero net migration","16.43878704","23.71442504","59.84678793" "High population ","18.19371747","21.86903191","59.93725062" "Low population ","15.94293898","22.75165482","61.3054062"