而随着人口总量增长势头明显减弱,我国老龄化程度不断加深,人口红利（demographic dividend）逐渐消失.
所以,全面实施二孩政策,是国家积极开展应对人口老龄化（aging of population）行动,促进人口均衡发展（improve the balanced development of population）的一项举措.
放开二孩有哪些好处？
✓优化人口结构；
Optimize the demographic structure;
✓增加劳动力供给,
increase labor supply;
✓减缓人口老龄化压力；
ease pressure from the ageing population;
✓有利于促进经济持续健康发展.
help improve the health of the economy.
十八届五中全会公报要点：
全面二孩政策
the universal two-child policy
保持经济中高速增长
medium to high economic growth
到2020年国内生产总值和城乡居民人均收入比2010年翻一番
double its 2010 GDP and per capita income of urban and rural residents by 2020
创新、协调、绿色、开放、共享的发展理念
innovative, coordinated, green, open, and shared by all
到2020年,解决区域性整体贫困,全面建成小康社会
by 2020 the country will complete tackling regional poverty to build China into a moderately prosperous society in all aspects
构建科学合理的城市化格局、农业发展格局,开发清洁安全能源
rationalize urban layout and agricultural development, and explore clean, safe energy
坚持开放发展
open development
奉行互利共赢的开放战略
pursue a mutually beneficial, win-win opening-up strategy
构建广泛的利益共同体
build a "broad community of shared interests"
