In 2012, Kaufmann wrote:
{{Cquote| In the United States, they manage 1.5, considerably lower than the national 2.1. This disadvantage is not enough to prevent religious decline in much of Europe and America today, but secularism must run to stand still. Since the history of religious decline in Europe suggests that secularization rates tend to drop over time, this portends the end of secularization. Projections I recently published with Skirbekk and Goujon in the journal Sociology of Religion show secularism losing momentum and beginning to decline in both Europe and America by 2050, largely because of low fertility and religious immigration.<ref>[http://www.aei.org/publication/the-future-will-be-more-religious-and-conservative-than-you-think/ The Future Will Be More Religious and Conservative Than You Think] by Eric Kaufmann, American Enterprise Institute</ref>}}
=== United States, immigration and the growth of religion in the USA in the latter part of the 21st century ===
''See also:'' [[United States, immigration and the growth of religion in the USA in the latter part of the 21st century]]
"The U.S. Census Bureau issued a report just after the 2020 data was collected that notes two key demographic realities that churches need to get ready for now. First, by 2030 immigration is projected to become the primary driver of population growth in the United States."<ref>[https://outreachmagazine.com/features/76177-ed-stetzer-the-church-of-2030.html Ed Stetzer: The Church of 2030], Outreach Magazine, 2023</ref>
"Pew Research Center has put a number on a similar forecast: 82% of U.S. growth from 2005 to 2050 will come from new immigrants and their families."<ref>[https://wheatonbillygraham.com/to-america-with-love-why-u-s-christianitys-resurgence-will-come-from-immigrants/ To America With Love: Why U.S. Christianity’s Resurgence Will Come From Immigrants], Wheaton College, Billy Graham Center, 2023</ref>
Most immigrants to the United States are religious (See: [[United States, immigration and the growth of religion in the USA in the latter part of the 21st century]]).
== Canada and 21st century deseculation ==