A condition where the number of people in a region is less than the optimal level for that area.

जनसंख्या की कमी

English Usage: "The underpopulation of the rural area has led to the closure of many schools."

Hindi Usage: "ग्रामीण क्षेत्र में जनसंख्या की कमी के कारण कई स्कूलों को बंद कर दिया गया है।"