The countries that look, feel, and act most like the United States

A new visual by World Visualized highlights the countries with the highest average testosterone levels, measured in nanograms per deciliter (ng/dl).

Across Europe, birth rates tell a changing story. According to new findings from the Pew Research Center, Muslim families are having more children on average than non-Muslims, a pattern that is reshaping the region’s population dynamics.

Names in different cultures around the world serve as a strong means of identification. They can quickly reveal a person's origin, country, or ethnic group, regardless of their location.