| Subject | English | Russian |
| gen. | the third age | серебряный возраст (the period of your life between middle age and old age, when you are still active. OALD Alexander Demidov) |
| demogr. | third age | пожилой возраст (Alexander Matytsin) |
| gen. | third age | третий возраст (Vadim Rouminsky) |
| cinema | Third Age of Broadcasting | Третья эпоха вещания |