Overpopulation is defined as the condition where the human population exceeds the Earth's carrying capacity. It is a leading driver of global issues like hunger, desertification, and species depletion. Some of the key causes of overpopulation include poverty, lack of education, declining death rates and increasing birth rates, lack of family planning, and lack of access to contraceptives. The effects of overpopulation include increased environmental pollution, depletion of natural resources, and shortage of food and water to sustain the growing population. Proposed solutions to overpopulation are improved access to education, family planning services, and contraceptives to allow individuals to make informed choices about family size.