Newsweek has created a graph to show how births in the United States have declined over the last 50 years. This has happened for every age group, fluctuating across the decades, rising steadily in the ...

The population of the United States has grown almost 123 times since the first federal census was conducted after the Founding Fathers signed the Declaration of Independence in 1776. In 1780, the ...

Two decades ago, the mathematician Moon Duchin spent her summers teaching geometry at Mathcamp, a program for mathematically talented teens. Campers contemplated notions such as how to prove whether a ...

WASHINGTON — The country’s population grows every year, but the size of the U.S. House of Representatives doesn’t. And over time, that has had a big impact on how representation in Congress’ lower ...