Terms for subject Demography containing oldest

English	Russian
prepare for your best possible old age	готовиться к здоровой старости (thenewstack.io Alex_Odeychuk)
two-year-old child	ребёнок в возрасте двух лет (Alex_Odeychuk)
two-year-old child	двухлетний ребёнок (Alex_Odeychuk)