Births to U.S. teenagers have been declining for a dozen years and reached another record low in 2020. But birth rates are far higher among U.S. teenagers ages 15 to 19 (15.3 per 1,000 females) than their peers in Canada (eight per 1,000 females), Sweden (five per 1,000 females), and many other high-income countries. New…
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Scientists have long debated the importance of nature versus nurture—genes versus the environment—in shaping the choices people make and the paths their lives take. Two decades of research make it increasingly clear that both nature and nurture always play a role—that is, the extent to which genetic factors affect behavior depends on the social environment…
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Children who enter kindergarten after experiencing repeated household changes are more likely to display problem behaviors that inhibit learning and disrupt classrooms, Paula Fomby of the University of Michigan and Stefanie Mollborn of the University of Colorado show. Such changes include residential moves and shifts in family composition and household routines. Their findings—coupled with other…
Read MoreThe percentage of U.S. adults who smoke has fallen dramatically during the past 50 years, from 42 percent in 1965 to just 15 percent in 2015.1 Despite this decline, roughly one in five U.S. deaths is due to tobacco-related disease, making it the nation’s top cause of preventable disease and death.
Read MoreU.S. Hispanics tend to defy the odds: They outlive non-Hispanic whites by three years on average, despite having lower income and education levels. In 2014, life expectancy at birth for the U.S. Hispanic population was 81.8 years, compared with 78.8 years for the U.S. non-Hispanic white population.1 For nearly three decades, demographers have probed why…
Read MoreThroughout human history, people have been on the move—exploring new places; pursuing work opportunities; fleeing conflict; or involuntarily migrating due to changing political, social, or environmental conditions. Today there are an estimated 230 million international migrants, a number that is projected to double to over 400 million by 2050.1 Beyond the people who cross international…
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