Which of the following most accurately describes world population growth? world population has increased steadily during the past 6,000 years. world population was small until world war ii, after which it increased very quickly. world population was relatively small until 1750, after which it increased rapidly. world population has exhibited significant cyclical patterns of growth and decline.
The population of the world in 1987 was 5 billion and the annual growth rate was estimated at 2 percent per year. assuming that the world population follows an exponential growth model, find the projected world population in 2015.
6. the world population reached 6 billion people in 1999 and 7 billion in 2012. (source: negative population growth, /> npg. org.) assuming a linear growth model for the world population, (a) predict the year when the world population would reach 8 billion. (b) predict the world population in 2020.