About the population structure or age-sex pyramid: • The age-sex pyramid is a graphical distribution of the population of the country at large or any region within the country or the world. • It is designed to show the age-wise and sex-wise (male and female) population distribution. • Features: • The population plotting starts from the lowest age groups to the highest age groups at the top. • The left side depicts the male population in the respective age groups and the right side is for the female population. • After plotting, it takes the shape of a pyramid of various shapes. • This pyramid also depicts the stage of demographic or population transition, the country or the region is in. Age-sex pyramid and population structure of Maharashtra, as per the census 2011: • The age group 0-4 years has a lower population compared to the age group 4-9 years. • Thus, the base bar of the pyramid is shorter than the subsequent bar. • It reaches its peak for the age group 20-24 years. • From 24-29 years, it starts to taper and finally for senior age groups it is the shortest. • This is a sign of the population of the state being young and increasing. • The median age of the state is 29 years, higher than the average national age of the population, 26 years, as more than half of the population of the country is less than 26 years. Thus, both the given statements are correct. The correct answer is option 3.