Elaine Yu Yee-nee, 15, Creative Secondary School
The one-child policy was launched in 1979 to control the mainland's population explosion.
This policy has helped bring prosperity to the country by increasing economic growth, people's quality of life and the availability of social services.
Deng Xiaoping , the father of the mainland's modernisation drive, said the first step towards boosting the country's economy was to control the birth rate. A lower birth rate has helped millions of poor people achieve a better quality of life.
The government is also better able to allocate limited resources and support individuals.
With a higher birth rate, resources - including health care - would be stretched to breaking point. And citizens' living standards would suffer.