英文介绍世界人口日的由来

June 11 for the Chinese population. In China, the population from the founding of the initial 500 million to 700 million in 1964, each increase of 1 billion people, an average of 7 years and a half years; in 1964 to 1974, is a stage of rapid growth of China's population from 900 million to 700 million each increase of 1 billion people in just 5 years; 20 years of reform and opening up, with the implementation of family planning policy, every increase of 1 billion people in the time required was extended to 7 years. 1981 China's population of 10 million, in 1988 more than 1.1 billion in 1995 exceeded 1.2 billion by the end of 1998 to 1.248 billion, accounting for 21% of the world's population, January 6, 2005, China's population reached 1.3 billion.

6月11日为中国人口日。在中国，人口从建国初期的5亿增加到1964年的7亿，每增加1亿人平均用7年半时间；1964年到1974年，是中国人口高速增长阶段，由7亿增加到9亿，每增加1亿人仅用5年时间；改革开放20年来，随着计划生育政策的实行，每增加1亿人口所需时间又延长到7年多。

1981年中国人口达到10亿，1988年超过11亿，1995年突破12亿，1998年底为12．48亿，占世界人口的21%,2005年1月6日,中国人口达到13亿。