The ratio between the number of dependents (young and old) and the working-age population.

A state of relying on or being controlled by someone or something else.

निर्भरता

English Usage: His dependency on caffeine made it difficult to stop drinking coffee.

Hindi Usage: कैफीन पर उसकी निर्भरता ने कॉफी पीना बंद करना कठिन बना दिया।