A measure of the length of time that a person has lived or a thing has existed.

The gradual process of getting older or the effect of age on physical or personal aspects.

वृद्धावस्था

English Usage: "The ageing index reflects the societal impacts of an ageing population."

Hindi Usage: "वृद्धावस्था का निर्धारण एक वृद्ध होती जनसंख्या के सामाजिक प्रभावों को दर्शाता है।"