In the country of Kong, if the birth rate is 22 and the death rate is 9, what is the annual rate of natural population change? Is this high or low? Explain. In how many years will the population double if the growth rate stays constant, and migration is not a factor? Is that high, low, or medium? Explain. The total fertility rate of Kong is 2.5. Is that high, low, or medium? Explain. Suppose you knew the age structure of the country, especially the percentage of people under the age of 15. Of what use is that information?