To determine the correct urbanization rate for the world from the given options, let's carefully analyze each choice.
A. 23 percent: This figure seems quite low for the current global urbanization rate, considering the significant growth of cities worldwide.
B. 49 percent: Although more appropriate than 23 percent, this figure still underestimates the current level of global urbanization.
C. 54 percent: This percentage represents a more accurate estimate of the urbanization rate, considering the continuous increase in the number of people living in urban areas due to factors like migration, economic opportunities, and development.
D. 35 percent: This figure is also too low to reflect the contemporary global urbanization rate.
Given these assessments, the most accurate and up-to-date urbanization rate for the world is:
C. 54 percent