He said good results have been achieved for boosting human health over the last 20 years.
He also noted that about 800 women die from pregnancy- or childbirth-related complications around the world every day, and 8.7 million young women choose abortion every year in developing countries.
UN reports reveal there has been a drop in the number of newborns since the international conference in Cairo in 1994. In late 2011, the world population has exceeded 7 billion and is expected to reach 8.4 billion until 2030, according to experts.
Unlike European, Asian, and South American countries, the number of young people has tremendously increased in African as well as some Asian countries.