Life expectancy at birth increased globally; the gap between the developing region and the more developed regions narrowed considerably, from 22 years in favour of the developed regions in 1960 to less than 12 in 2000.
全球出生预期寿命增加了；发展中区域与较发达区域之间的差距大大缩小，从1960年的22岁缩短至2000年不足12岁。