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Friday, May 17, 2013

Migration, Religion, and a Changing America

International migration is projected to surpass natural increase (births minus deaths) as the principal driver of U.S. population growth by the middle of this century, according to three new series of population projections released today by the U.S. Census Bureau. This scenario would mark the first time that natural increase was not the leading cause of population increase since at least 1850, when the census began collecting information about residents' country of birth. The shift in what drives U.S. population growth is projected to occur between 2027 and 2038, depending on the future level of international migration.

The Pew Research Center reports:
Over the past 20 years, the United States has granted permanent residency status to an average of about 1 million immigrants each year. These new “green card” recipients qualify for residency in a wide variety of ways – as family members of current U.S. residents, recipients of employment visas, refugees and asylum seekers, or winners of a visa lottery – and they include people from nearly every country in the world. But their geographic origins gradually have been shifting. U.S. government statistics show that a smaller percentage come from Europe and the Americas than did so 20 years ago, and a growing share now come from Asia, sub-Saharan Africa and the Middle East-North Africa region.
With this geographic shift, it is likely that the religious makeup of legal immigrants also has been changing. The U.S. government, however, does not keep track of the religion of new permanent residents. As a result, the figures on religious affiliation in this report are estimates produced by combining government statistics on the birthplaces of new green card recipients over the period between 1992 and 2012 with the best available U.S. survey data on the religious self-identification of new immigrants from each major country of origin.
While Christians continue to make up a majority of legal immigrants to the U.S., the estimated share of new legal permanent residents who are Christian declined from 68% in 1992 to 61% in 2012. Over the same period, the estimated share of green card recipients who belong to religious minorities rose from approximately one-in-five (19%) to one-in-four (25%). This includes growing shares of Muslims (5% in 1992, 10% in 2012) and Hindus (3% in 1992, 7% in 2012). The share of Buddhists, however, is slightly smaller (7% in 1992, 6% in 2012), while the portion of legal immigrants who are religiously unaffiliated (atheist, agnostic or nothing in particular) has remained relatively stable, at about 14% per year.1
Unauthorized immigrants, by contrast, come primarily from Latin America and the Caribbean, and the overwhelming majority of them – an estimated 83% – are Christian. That share is slightly higher than the percentage of Christians in the U.S. population as a whole (estimated at just under 80% of U.S. residents of all ages, as of 2010).2