Demography is generally considered a discipline within the field of sociology. Demographers utilize information and data from many areas including but not limited to, agriculture, biology, economics, geography, NASA, political science, and statistics. Mathus felt that human population growth always tended to be faster than the growth of the food supply. Mathus checks on Population Positive checks function to control the population by eliminating existing people by raising the death rate. Disease Preventative checks funtion to control the population by preveting growth by slowing or lowering the birth rate.
Most human cultures place a positive value on reproduction.
Genesis Chapter 9vs. And God went on to bless Noah and his sons, and said unto them, 'Be frutiful, and multiply, and fill the earth'. Sex Ratio is the number of males in a population per each 100 females. The Crude Birth Rate is an expression of the number of births per 1,000 persons in a given year. The Crude Death Rate is an expression of the number of deaths per 1,000 persons in a given year.