despite the looser rules, the population is growing slower in yicheng than the province as a whole. and the ratio between newborn boys and girls stands near the worldwide average. >> "in my opinion, couples can have two children. this can solve several problems. first, it can still control population growth... the ratio between senior citizens and the work force will be reasonable and balanced. the aging will not be so fast. meanwhile, we can have a certain amount of labor to guarantee the smooth development of the economy. but for now, the aging population is a growing problem. researchers estimate that by 2025, one in five chinese in urban areas will be over 60, and that by 2050, that age group will amount increase to 30 percent of the population. the policy has led to what is called the "4-2-1 problem," where one child will be responsible for two parents, and four grandparents. for now, this not an issue for he yin and lin zhongjie, whose parents are still healthy and mobile. but down the road, in the future, this may change. >> "if all four of our elders run into trouble, and it