The answer is available labor. A negative result of population growth i that in can increase in economic growth. Economic growth is the increase in the capacity of an economy to produce goods and services over period of time.
Population growth has many advantages. Population growth can lead to an increase in available labor, which can also contribute to economic growth. However, a negative result of population growth is that it can increase health care costs. With more people in a country, there will be more people who need access to healthcare. This is especially true is the country has an aging population.