Assertion : The age-sex structure of human population in countries like France and Germany gives a steep pyramid. Reason : In countries like Sudan and India the population is increasing at a rapid rate.

Step-by-step solution

The most important demographic characteristic of a population is its age sex structure which is also known as population pyramids. Age sex pyramids display the percentage or actual amount of a population broken down by gender and age. Developed countries with stable population gives a steep pyramid. The population of Sudan and India are increasing at a rapid rate. The population growth rate for Sudan is 2.60 % and for India it is 1.40 % .