Second, federal, state, and local financial regulations, incentives, and planning decisions clearly favored single-family, detached homes, often on large lots, over attached homes or even detached homes on small lots. In part because of these factors, the United States saw the greatest change in home ownership rate seen in the nation’s history, rising from a low of 43 percent in 1940 during the depths of the Great Depression to 66 percent in 2000 and in 2010.1
