demographers

Some demographers, however, argue that plummeting fertility rates and a rapidly aging population are reasons enough to ease the rules.
一些人口统计专家却认为，如今急剧下降的出生率以及快速形成的老龄化社会是尽快叫停这项政策的原因。
Demographers used to say that fertility rates only fell when women got educated and the economy got rich.
人口学家们总是说生育率只有在妇女们获得了良好的教育并且在经济富裕的情况下才发生。
Demographers expect the size of the working-age population to peak sometime in the next five years or so, and then gradually decline.
人口统计学家预计，适龄人口数量将在未来五年左右的某个时间达到顶峰，然后逐渐下滑。
Some of the sociologists, psychologists and demographers who study this new life stage see it as a good thing.
一些研究这一新的生活阶段的社会学家、心理学家和人口统计学家把这样现象看成是一件好事。
Demographers are waiting to see the full census results before drawing conclusions about data quality.
人口学家们在等更完整的普查数据出台，再对数据的质量做出结论。
Sex and affection, some Mexican demographers argue, tend to be signs of confidence, expressions of faith that opportunities await.
一些人口统计学家认为，性行为与爱意表达很可能是信心的表示，表明了人们对于未来机遇的信念。
Chinese demographers have been arguing that the fertility rate actually is considerably lower than official claims suggest.
中国人口学家一直在说，生育率实际上大幅低于官方声称的数值。
Demographers also expect strains on the household registration system , which restricts internal migration.
人口统计学家同时预测阻碍国内移民的户籍制度将受到压力。
But demographers, economists and politicians are right to fret about our greying.
但人口统计学家，经济学家和政治家们对老龄化的担忧还是有道理的。
Demographers reckon that at least three-quarters of Egyptians actually live in urban areas.
人口统计学家认为，至少有四分之三的埃及人实际上是生活在城市。