How do the people of a large country feel about family planning?

People are rational, I agree with this statement, but in some poor areas of China education and thinking is still relatively backward, simply will not calculate the raising of a child requires a lot of time, money and energy, and finally lead to those places on the more births on the poorer, education can not keep up with the population of our country is still grim, according to statistics, the country's resources to maintain a population of roughly 1.7 billion people, more than that will According to statistics, our resources can sustain a population of about 1.7 billion, and exceeding that will cause many problems. India has also practiced family planning but failed, a number of years later India's population will exceed that of China.