The modern period is considered to start from the middle of the 17th century. At this time, i.e., in 1650, the world population was approximately 55 crore. By 1750, this population increased to 72 crore. After this period, the rate of population growth increased and in 1850, world population increased to 133 crore. By 1950, the world population increased to 251 crore. World population unexpectedly increased to 610 crore by the time we reached the year 2000. By 2013, world population further increased to 714 crore.
