The issue is not a low birth rate per se, but a rapidly declining birth rate in the past that causes the population pyramid to be top - heavy. (politics.stackexchange.com)
I am reminded of accounts of sexual boredom and rapidly declining birth rates among secularized Soviet citizens, whereas the thriving Muslim populations in the southern USSR spoke openly of their inexorable «victory in the bedroom.» (firstthings.com)
For a high - poverty urban district like LAUSD, where declining birth rates, reduced immigration, gentrification and the expansion of charters have left neighborhood schools scrambling for resources, education researchers believe that community schooling offers the first meaningful bang for its buck in delivering equity for its highest - needs students. (capitalandmain.com)