2. 3. DEMOGRAPHIC SCENARIOIndia is the second most populous country in the world. India has 17 % of world\'s population and has less than 3% of earth\'s land area. While the global population has increased 3 times, India has increased its population 5 times during the last century. India\'s population is expected to exceed that of China before 2030 to become the most populous country in the world. .