The line graphs illustate the projections and the number of resident distribution estimated in the world propose by the US Census Bureau over a decade starting from 1950.
It is clear that the world population witnessed an upward trend while the opposite was true for the world population growth rate over the period given.
In 1950, starting at only less than 3 billions, the number of world population increased gradually around 1 billions in the next thirty years. Estimately, this figure significant rose appromately 7.5 billions from 1980 to 2020. As can be seen in the future, that of world population growth continually by 2 billions between 2030 and 2050.
Looking at the world population growth rate, this figure flunctuated slightly between the first 50 years, around 1 and 2 percent. Over the last 50 years, the percentage of this figure witnessed an decrease, at the end of the year 2050, the estimates of world population growth rate will stand at 0.5 percent, two times lower than its starting point.