Various institutions and organizations have given widely varying estimates about how many muslims live in the us tom w smith, author of estimating the muslim population in the united states, said that of twenty estimates he reviewed during a five-year period until 2001, none was based on a scientifically-sound or explicit methodology. The religious landscape in the united states is changingislam is now among the fastest growing religions in america and it has led to a construction boom of mosquesmosques are not as ubiquitous.
Muslim population growth refers to the topic of population growth of muslims worldwide in 2006, countries with a muslim majority had an average population growth rate of 18% per year (when weighted by percentage muslim and population size) this compares with a world population growth rate of 11% per year.
The main reasons for islam’s growth ultimately involve simple demographics to begin with, muslims have more children than members of the seven other major religious groups analyzed in the study muslim women have an average of 29 children, significantly above the next-highest group (christians at 26) and the average of all non-muslims (22. Islam will become the second-largest religious group in the united states by 2050, according to a report from the pew research center islam’s spectacular birthrates, the relative youth of muslims and the increase in muslim immigration into the united states combine to account for its accelerated growth rate in the us.
In china, muslim population growth was 27% during 1964–1982, compared to 21% for the population as the next two decades from 2011  pew research center projects a slowing down of muslim population growth in china than in previous years, with muslim women in china having a 17 fertility rate. Much of the worldwide growth of islam and christianity, for example, is expected to take place in sub-saharan africa today’s religiously unaffiliated population, by contrast, is heavily concentrated in places with low fertility and aging populations, such as europe, north america, china and japan. Islam is the second largest religion in the world in 1995 about 1,122,661,000 muslims inhabited this planet count the commas, folks—that’s a billion plus a hundred million that means of every living person, one in five is a muslim as citizens of what is yet a superpower, we tend not to.
Al-islam quotes an unspecified un source: futurist john gary quoted unnamed religious researchers: the growth rate of christianity, according to the us center for world mission, is very close to the growth rate of the world's population. Estimates vary, but islam now seems to make up about 24 percent (or six million) of the united states population making up fifteen percent of all legal immigrants, over a hundred thousand muslims enter this country legally each year.