P O P L E 15 r = ∑ 0 14 A G E D S T r , c {\displaystyle POPLE15_{r}=\sum _{0}^{14}AGEDST_{r,c}}
P O P 15 t o 65 r = ∑ 15 64 A G E D S T r , c {\displaystyle POP15to65_{r}=\sum _{15}^{64}AGEDST_{r,c}}
<math>POPGT65_r=\sum^{Oldest}_{65}AGEDST_{r,c}
