During 2006, the Gallup Organization conducted a World Poll that used an identical questionnaire for national samples of adults from 132 countries. I analyze the data on life satisfaction (happiness) and on health satisfaction and look at their relationships with national income, age, and...

The rapid growth in obesity represents a major public concern. Although body weight tends to increase with age, the evolution of obesity over the lifecycle is not well understood. We use longitudinal data from the National Longitudinal Survey of Youth to examine how body weight changes with age...

Self-reported health status (SRHS) is an imperfect measure of non-fatal health, but allows examination of how health status varies over the life course. Although women have lower mortality than men, they report worse health status up to age 65. The SRHS of both men and women deteriorates with...

Suicide rates, life evaluation, and measures of affect are all plausible measures of the mental health and wellbeing of populations. Yet in the settings we examine, correlations between suicide and measured wellbeing are at best inconsistent. Differences in suicides between men and women,...