The United States is one of many countries struggling with declining birth rates and this is partly because more people are abandoning religion, population and religion experts told Newsweek .

There are many reasons for people all over the world having fewer babies, and Newsweek has reported on the economic pressures making parenthood difficult, the policy changes advocates believe will help encourage more children and the major cultural shifts which have changed society for young people, couples and families.

But "there's no question that growing secularization is another factor in falling fertility, both here in the United States and across much of the globe," demographer William B Wilcox, director of the National Marriage Project and professor of sociology at the University of V

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