The Atlantic Cities writes that in the 20 years between 1990 and 2010, these consumers were at their peak family size and peak income. And suddenly, there was massive demand in America from the same kinds of people for the same kinds of housing: big, large-lot single-family homes (often in suburbia). In those two decades, calculates researcher Arthur C. Nelson, 77% of demand for new housing construction in America was driven by this trend.