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Economic migrants, who make up the bulk of Canada’s immigrants, have adopted their new country’s behaviour in one significant area — they have very low fertility rates, new research suggests. “Immigrants are feeling the low-fertility pressure of Canada here, like everyone else,” says demographer and sociologist Rachel Margolis, a professor at Western University, and one of the authors of a new paper on immigration and fertility. Even groups with relatively high fertility — family stream and refugees — are also below the replacement level of 2.1 children, according to the research....