(2019) More than 300 million people live in the United States and getting an accurate count of each and every one of them is no easy feat. As the U.S. population has grown—from just under 4 million in 1790 to more than 329 million in 2019—the Census Bureau’s enumeration methods (how they count people) have evolved to adapt to new technologies, increase efficiency and accuracy, and help to control rising costs.
Research shows that self-managed medication abortion accessed through online telehealth is medically safe and effective, but prospective patients face a complex web of barriers.
(2003) The United States adopts more children from abroad than any other country. The number of foreign children adopted by U.S. parents has increased sharply, and nearly doubled during the 1990s.
Stacked next to the ubiquitous piles of green bananas in Uganda's markets are equally ubiquitous 5-foot-tall sacks of charcoal, a major reason why this country's forests are rapidly disappearing. Charcoal and fuel wood are the energy sources for the vast majority of a population that is increasing so rapidly the forests can't possibly keep up.
(2001) The human papillomavirus is the most common sexually transmitted infection (STI) in the United States, with an estimated 24 million active cases and 5.5 million new cases each year, according to the National Cancer Institute. Various strains of HPV cause the great majority of cases of cervical cancer.
(2011) Ethiopia has one of the highest rates of early marriage in the world, with one in two girls marrying before her 18th birthday and one in five girls marrying before the age of 15.
(2005) Public attention has begun to focus on the "demographic divide," the vast gulf in birth and death rates among the world's countries.