According to calculation by experts,if China had not implemented family planning but had all along kept the birth rate at the level of the early 1970s,its population would possibly have passed the 1.5 billion mark by now.

• 据有关专家推算，如果中国不实行计划生育，至今仍保持七十年代初期的出生水平，现在中国人口很可能已经超过15亿。