Sociology 329

Population growth rate practice exercises

 

1. The population of the United States was 151,326,000 in 1950 and 179,323,000 in 1960.

a. What was the average annual rate of exponential growth in the 1950s?

b. At the average annual rate of growth in the 1950s, how long would it take the population to double?

c. Taking 1960 as time 1, assuming the rate of growth calculated in part 1a. remains constant over time, how big would the population of the United States be in 2010?
  

2. The population of the rural areas (smaller than 2500 residents) in the United States for the same period of time decreased, from 54,479,000 in 1950 to 54,054,000 in 1960.
 

a. What was the average annual rate of exponential growth for rural areas in the 1950s?

b. At the average annual rate of growth in the 1950s, how long would it take for the rural population to double?

c. Taking 1960 as time 1, assuming the rate of growth calculated in part 2a. remains constant over time, how big would the rural population of the United States be in  2010?

 

Answers